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[Security Advisory] ALSA-2026:70459: kernel security, bug fix, and enhancement update (Important)
by AlmaLinux Errata Notifications 26 Sep '26

26 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2026-09-25 Summary: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (CVE-2025-39964) * kernel: iommu/vt-d: Clear Present bit before tearing down PASID entry (CVE-2026-45894) * kernel: crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree (CVE-2026-45959) * kernel: dm cache policy smq: fix missing locks in invalidating cache blocks (CVE-2026-53062) * kernel: keys: Pin request_key_auth payload in instantiate paths (CVE-2026-63823) * kernel: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads (CVE-2026-68293) * kernel: Linux kernel: libceph null pointer dereference leads to denial of service (CVE-2026-68157) * kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios (CVE-2026-68188) * kernel: libceph: refresh auth->authorizer_buf{,_len} after authorizer update (CVE-2026-68156) * kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155) * kernel: Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds (CVE-2026-68391) * kernel: net/mlx5e: macsec: fix use-after-free of metadata_dst on RX SC delete (CVE-2026-72072) * kernel: mm/hugetlb: fix list corruption in allocate_file_region_entries() (CVE-2026-74518) Bug Fix(es) and Enhancement(s): * [Intel 9.8 FEAT] ice: Driver Update [almalinux-9.8.z] (JIRA:AlmaLinux-213003) * AlmaLinux 9.8: Multiuser Kerberized DFS shares fail to mount with UID mount option [almalinux-9.8.z] (JIRA:AlmaLinux-254108) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-70459.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:71232: kernel security, bug fix, and enhancement update (Important)
by AlmaLinux Errata Notifications 26 Sep '26

26 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2026-09-25 Summary: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: block: zero non-PI portion of auto integrity buffer (CVE-2026-23007) * kernel: af_unix: Drop all SCM attributes for SOCKMAP (CVE-2026-53005) * kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831) * kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() (CVE-2026-63802) * kernel: block: don't overwrite bip_vcnt in bio_integrity_copy_user() (CVE-2026-64053) * kernel: smb: client: fix double-free in SMB2_flush() replay (CVE-2026-64383) * kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534) * kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564) * kernel: ALSA: timer: drain a slave's callback before its master detaches it (CVE-2026-68201) * kernel: ASoC: SOF: ipc3-control: Validate size in snd_sof_update_control (CVE-2026-72261) * kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844) * kernel: net: tun: bound receive headroom (CVE-2026-81000) * kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846) Bug Fix(es) and Enhancement(s): * sctp: prevent peer transport count overflow [almalinux-9.8.z] (JIRA:AlmaLinux-216251) * netfilter: nftables CVE and memory safety backports for 9.8 (JIRA:AlmaLinux-236634) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-71232.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:71487: unbound security update (Critical)
by AlmaLinux Errata Notifications 25 Sep '26

25 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Critical Release date: 2026-09-25 Summary: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fix(es): * unbound: Unbound: Remote Code Execution Vulnerability in CNAME Synthesis (CVE-2026-82717) * unbound: Unbound: Heap buffer overflow via malicious DNSSEC response (CVE-2026-81634) * unbound: Unbound: Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY (CVE-2026-81642) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-71487.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:71422: perl-DBI security update (Important)
by AlmaLinux Errata Notifications 25 Sep '26

25 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2026-09-25 Summary: The perl-DBI package provides the standard database interface module for the Perl programming language. It implements a database-independent interface, meaning it defines a consistent set of methods, variables, and conventions for database operations. Security Fix(es): * perl-DBI: DBI for Perl: Heap out-of-bounds write via unvalidated numeric placeholder (CVE-2026-73194) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-71422.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:71585: libxml2 security update (Important)
by AlmaLinux Errata Notifications 25 Sep '26

25 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2026-09-25 Summary: The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es): * libxml2: libxml2: Arbitrary code execution via heap-based buffer overflow (CVE-2026-86138) * libxml2: libxml2: Data integrity issues due to integer overflow in write callbacks (CVE-2026-86143) * libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements (CVE-2026-86140) * libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval due to xpointer length saturation (CVE-2026-86142) * libxml2: libxml2: Information disclosure, SSRF, or denial of service due to improper parseFlags propagation. (CVE-2026-86144) * libxml2: double-free/UAF in libxml2 Python bindings (CVE-2026-74860) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-71585.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:70642: thunderbird security update (Important)
by AlmaLinux Errata Notifications 25 Sep '26

25 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2026-09-25 Summary: Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fix(es): * firefox: thunderbird: Privilege escalation in the DOM: Workers component (CVE-2026-16365) * firefox: thunderbird: Sandbox escape in the Remote Settings Client component (CVE-2026-75874) * firefox: Sandbox escape due to use-after-free in the DOM: Security component (CVE-2026-84121) * firefox: Internally found bugs fixed in Firefox 155, Firefox ESR 153.2, Firefox ESR 140.15 and Firefox ESR 115.40 (CVE-2026-84145) * firefox: Sandbox escape due to use-after-free in the DOM: Navigation component (CVE-2026-84119) * firefox: Use-after-free in the Audio/Video component (CVE-2026-84120) * firefox: Privilege escalation due to invalid pointer in the Graphics component (CVE-2026-84131) * firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-84124) * firefox: Use-after-free in the Audio/Video component (CVE-2026-84122) * firefox: Internally found bugs fixed in Firefox 155, Firefox ESR 153.2 and Firefox ESR 140.15 (CVE-2026-84143) * thunderbird: Uninitialized memory in MIME parsing (CVE-2026-84639) * thunderbird: Information disclosure due to malicious IMAP server response (CVE-2026-84641) * thunderbird: One byte overflow read in mail parser (CVE-2026-84640) * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92024) * firefox: thunderbird: Mitigation bypass in the Remote Settings Client component (CVE-2026-92019) * firefox: thunderbird: Use-after-free in the Networking component (CVE-2026-92026) * firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-92031) * firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component (CVE-2026-92032) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92010) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92006) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92011) * firefox: thunderbird: Use-after-free in the DOM: Streams component (CVE-2026-92027) * firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-92028) * firefox: thunderbird: Privilege escalation in the WebExtensions component (CVE-2026-92015) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92013) * firefox: thunderbird: Use-after-free in the Disability Access APIs component (CVE-2026-92016) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92012) * firefox: thunderbird: Use-after-free in the DOM: HTML Parser component (CVE-2026-92022) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics component (CVE-2026-92014) * firefox: thunderbird: Sandbox escape in the DOM: Core & HTML component (CVE-2026-92018) * firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-92021) * firefox: thunderbird: Use-after-free in the Audio/Video: Web Codecs component (CVE-2026-92005) * firefox: thunderbird: Privilege escalation in the DOM: Service Workers component (CVE-2026-92017) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92009) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-92020) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92008) * firefox: thunderbird: Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-92030) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92007) * firefox: thunderbird: Use-after-free in the DOM: Navigation component (CVE-2026-92025) * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92029) * firefox: thunderbird: Use-after-free in the XML component (CVE-2026-92023) * thunderbird: Out-of-bounds read in IMAP response parser (CVE-2026-92240) * thunderbird: Thunderbird: Out-of-bounds read via maliciously constructed IMAP line (CVE-2026-92239) * thunderbird: Thunderbird: Memory safety violations via maliciously crafted mail headers (CVE-2026-92238) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-70642.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:68660: tomcat security, bug fix, and enhancement update (Moderate)
by AlmaLinux Errata Notifications 25 Sep '26

25 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Moderate Release date: 2026-09-25 Summary: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * Apache Tomcat: Apache Tomcat: Improper Input Validation vulnerability due to incomplete fix (CVE-2026-32990) * tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512) * tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293) * tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498) * tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515) * tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513) * tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083) * tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084) Bug Fix(es) and Enhancement(s): * Tomcat fails to respond to client connections when using Java 8 [almalinux-9.8] (JIRA:AlmaLinux-257456) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-68660.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:69461: firefox security update (Important)
by AlmaLinux Errata Notifications 25 Sep '26

25 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Important Release date: 2026-09-25 Summary: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fix(es): * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92024) * firefox: thunderbird: Mitigation bypass in the Remote Settings Client component (CVE-2026-92019) * firefox: thunderbird: Use-after-free in the Networking component (CVE-2026-92026) * firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-92031) * firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component (CVE-2026-92032) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92010) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92006) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92011) * firefox: thunderbird: Use-after-free in the DOM: Streams component (CVE-2026-92027) * firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-92028) * firefox: thunderbird: Privilege escalation in the WebExtensions component (CVE-2026-92015) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92013) * firefox: thunderbird: Use-after-free in the Disability Access APIs component (CVE-2026-92016) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92012) * firefox: thunderbird: Use-after-free in the DOM: HTML Parser component (CVE-2026-92022) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics component (CVE-2026-92014) * firefox: thunderbird: Sandbox escape in the DOM: Core & HTML component (CVE-2026-92018) * firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-92021) * firefox: thunderbird: Use-after-free in the Audio/Video: Web Codecs component (CVE-2026-92005) * firefox: thunderbird: Privilege escalation in the DOM: Service Workers component (CVE-2026-92017) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92009) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-92020) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92008) * firefox: thunderbird: Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-92030) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92007) * firefox: thunderbird: Use-after-free in the DOM: Navigation component (CVE-2026-92025) * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92029) * firefox: thunderbird: Use-after-free in the XML component (CVE-2026-92023) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-69461.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:71586: libxml2 security update (Important)
by AlmaLinux Errata Notifications 25 Sep '26

25 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Important Release date: 2026-09-25 Summary: The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es): * libxml2: libxml2: Arbitrary code execution via heap-based buffer overflow (CVE-2026-86138) * libxml2: libxml2: Data integrity issues due to integer overflow in write callbacks (CVE-2026-86143) * libxml2: libxml2: Arbitrary code execution via stack-based buffer overflow in xmlSnprintfElements (CVE-2026-86140) * libxml2: libxml2: Heap-based buffer overflow in xmlXPtrEval due to xpointer length saturation (CVE-2026-86142) * libxml2: libxml2: Information disclosure, SSRF, or denial of service due to improper parseFlags propagation. (CVE-2026-86144) * libxml2: double-free/UAF in libxml2 Python bindings (CVE-2026-74860) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-71586.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:71658: python-cryptography security update (Important)
by AlmaLinux Errata Notifications 25 Sep '26

25 Sep '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Important Release date: 2026-09-25 Summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * python-cryptography: python-cryptography: Duplicate self-signed intermediates can cause exponential path-building (CVE-2026-69249) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-71658.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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