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[Security Advisory] ALSA-2026:20614: ruby:3.3 security update (Important)
by AlmaLinux Errata Notifications 27 May '26

27 May '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Important Release date: 2026-05-27 Summary: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fix(es): * erb: ERB: Arbitrary code execution via deserialization bypass (CVE-2026-41316) 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/8/ALSA-2026-20614.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-2026:20611: gnutls security update (Important)
by AlmaLinux Errata Notifications 27 May '26

27 May '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Important Release date: 2026-05-27 Summary: Please update the gnutls packages to provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fix(es): * gnutls: Add more checks to DTLS reassembly (CVE-2026-33846) * gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009) * gnutls: Fix crashing on an underflow with a DTLS datagram (CVE-2026-33845) * gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010) * gnutls: Fix case-sensitivity of domain name comparison in name constraints (CVE-2026-3833) * gnutls: Fix intersecting empty constraints (CVE-2026-42011) 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/8/ALSA-2026-20611.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-2026:20566: firefox security update (Important)
by AlmaLinux Errata Notifications 27 May '26

27 May '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Important Release date: 2026-05-27 Summary: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fix(es): * firefox: Other issue in the WebRTC component (CVE-2026-8094) * firefox: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2 (CVE-2026-8092) * firefox: Use-after-free in the DOM: Networking component (CVE-2026-8090) 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/8/ALSA-2026-20566.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-2026:19061: glibc security update (Moderate)
by AlmaLinux Errata Notifications 26 May '26

26 May '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Moderate Release date: 2026-05-26 Summary: The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix(es): * glibc: glibc: Incorrect DNS response parsing via crafted DNS server response (CVE-2026-4437) * glibc: glibc: Invalid DNS hostname returned via gethostbyaddr functions (CVE-2026-4438) 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-2026-19061.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-2026:19054: tomcat security update (Important)
by AlmaLinux Errata Notifications 26 May '26

26 May '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: 2026-05-26 Summary: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Apache Tomcat: Certificate revocation bypass due to improper OCSP response validation (CVE-2026-24734) 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-2026-19054.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-2026:19074: kernel security update (Important)
by AlmaLinux Errata Notifications 26 May '26

26 May '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: 2026-05-26 Summary: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Denial of Service in authencesn due to too-short AAD (CVE-2026-23060) * kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431) * kernel: crypto: af_alg - limit RX SG extraction by receive buffer budget (CVE-2026-31677) * kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel (CVE-2026-43284) 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-2026-19074.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-2026:18326: libvirt security update (Moderate)
by AlmaLinux Errata Notifications 26 May '26

26 May '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Moderate Release date: 2026-05-26 Summary: Kernel-based Virtual Machine (KVM) offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contains packageswhich provide user-space components used to run virtual machines using KVM.The packages also provide APIs for managing and interacting with the virtualized systems. Security Fix(es): * libvirt: Denial of service in XML parsing (CVE-2025-12748) 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. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-18326.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-2026:19022: golang security update (Important)
by AlmaLinux Errata Notifications 26 May '26

26 May '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: 2026-05-26 Summary: The golang packages provide the Go programming language compiler. Security Fix(es): * crypto/x509: Incorrect enforcement of email constraints in crypto/x509 (CVE-2026-27137) * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) 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-2026-19022.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-2026:18479: qemu-kvm security update (Important)
by AlmaLinux Errata Notifications 26 May '26

26 May '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: 2026-05-26 Summary: Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fix(es): * firefox: thunderbird: CSP Bypass and XSS Exposure via Web Compatibility Shims (CVE-2024-11694) * firefox: thunderbird: Unhandled Exception in Add-on Signature Verification (CVE-2024-11696) * firefox: thunderbird: Select list elements could be shown over another site (CVE-2024-11692) * firefox: thunderbird: Memory safety bugs fixed in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5 (CVE-2024-11699) * firefox: thunderbird: URL Bar Spoofing via Manipulated Punycode and Whitespace Characters (CVE-2024-11695) * firefox: thunderbird: Improper Keypress Handling in Executable File Confirmation Dialog (CVE-2024-11697) 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. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-18479.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-2026:19159: nginx security update (Critical)
by AlmaLinux Errata Notifications 26 May '26

26 May '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Critical Release date: 2026-05-26 Summary: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fix(es): * nginx: NGINX: Arbitrary Code Execution Vulnerability (CVE-2026-42945) 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-2026-19159.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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