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[Security Advisory] ALSA-2026:92869: tomcat security update (Important)
by AlmaLinux Errata Notifications 31 Oct '26

31 Oct '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: 2026-10-30 Summary: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Apache Tomcat: Security constraint bypass due to improper access control (CVE-2026-65182) * tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing (CVE-2026-65927) * tomcat: Apache Tomcat: Improper Input Validation allows HTTP/2 no-authority bypass of strict SNI validation (CVE-2026-65637) * tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure (CVE-2026-68569) * tomcat: Apache Tomcat: Authentication bypass via limited replay attack in DIGEST authenticator (CVE-2026-65905) * tomcat: Apache Tomcat: Unauthorized resource access via FORM authentication bypass (CVE-2026-68525) 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-2026-92869.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-2026:93077: python-pillow security update (Critical)
by AlmaLinux Errata Notifications 31 Oct '26

31 Oct '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Critical Release date: 2026-10-30 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): * pillow: Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO (CVE-2026-112393) * pillow: Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution (CVE-2026-112398) * pillow: Pillow: Argument Injection in Ghostscript call, potentially leading into RCE (CVE-2026-112900) 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-2026-93077.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-2026:86192: .NET 10.0 security, bug fix, and enhancement update (Critical)
by AlmaLinux Errata Notifications 31 Oct '26

31 Oct '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Critical Release date: 2026-10-30 Summary: .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 10.0.113 Runtime version: 10.0.13 Security Fix(es): * dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870) * dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280) * dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822) * dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651) * dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159) * dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175) * dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179) * dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181) * dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183) * dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186) * dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188) * dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196) * dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092) * dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707) * dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225) * dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230) * dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231) * dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233) * dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236) * dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237) * dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238) * dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957) Bug Fix(es) and Enhancement(s): * Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 (JIRA:AlmaLinux-277805) 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-2026-86192.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-2022:1759: An update for the virt:rhel and virt-devel:rhel modules is now available for AlmaLinux AlmaLinux Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. (Moderate)
by AlmaLinux Errata Notifications 31 Oct '26

31 Oct '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Moderate Release date: 2026-10-30 Summary: Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. The following packages have been upgraded to a later upstream version: qemu-kvm (6.2.0), libvirt (8.0.0), libvirt-python (8.0.0), perl-Sys-Virt (8.0.0), seabios (1.15.0), libtpms (0.9.1). (BZ#1997410, BZ#2012802, BZ#2012806, BZ#2012813, BZ#2018392, BZ#2027716, BZ#2029355) Security Fix(es): * QEMU: virtio-net: heap use-after-free in virtio_net_receive_rcu (CVE-2021-3748) * ntfs-3g: Out-of-bounds heap buffer access in ntfs_get_attribute_value() due to incorrect check of bytes_in_use value in MFT records (CVE-2021-33285) * ntfs-3g: Heap buffer overflow triggered by a specially crafted Unicode string (CVE-2021-33286) * ntfs-3g: Heap buffer overflow in ntfs_attr_pread_i() triggered by specially crafted NTFS attributes (CVE-2021-33287) * ntfs-3g: Heap buffer overflow triggered by a specially crafted MFT section (CVE-2021-33289) * ntfs-3g: Heap buffer overflow triggered by a specially crafted NTFS inode pathname (CVE-2021-35266) * ntfs-3g: Stack buffer overflow triggered when correcting differences between MFT and MFTMirror sections (CVE-2021-35267) * ntfs-3g: Heap buffer overflow in ntfs_inode_real_open() triggered by a specially crafted NTFS inode (CVE-2021-35268) * ntfs-3g: Heap buffer overflow in ntfs_attr_setup_flag() triggered by a specially crafted NTFS attribute from MFT (CVE-2021-35269) * ntfs-3g: NULL pointer dereference in ntfs_extent_inode_open() (CVE-2021-39251) * ntfs-3g: Out-of-bounds read in ntfs_ie_lookup() (CVE-2021-39252) * ntfs-3g: Out-of-bounds read in ntfs_runlists_merge_i() (CVE-2021-39253) * ntfs-3g: Integer overflow in memmove() leading to heap buffer overflow in ntfs_attr_record_resize() (CVE-2021-39254) * ntfs-3g: Out-of-bounds read ntfs_attr_find_in_attrdef() triggered by an invalid attribute (CVE-2021-39255) * ntfs-3g: Heap buffer overflow in ntfs_inode_lookup_by_name() (CVE-2021-39256) * ntfs-3g: Endless recursion from ntfs_attr_pwrite() triggered by an unallocated bitmap (CVE-2021-39257) * ntfs-3g: Out-of-bounds reads in ntfs_attr_find() and ntfs_external_attr_find() (CVE-2021-39258) * ntfs-3g: Out-of-bounds access in ntfs_inode_lookup_by_name() caused by an unsanitized attribute length (CVE-2021-39259) * ntfs-3g: Out-of-bounds access in ntfs_inode_sync_standard_information() (CVE-2021-39260) * ntfs-3g: Heap buffer overflow in ntfs_compressed_pwrite() (CVE-2021-39261) * ntfs-3g: Out-of-bounds access in ntfs_decompress() (CVE-2021-39262) * ntfs-3g: Heap buffer overflow in ntfs_get_attribute_value() caused by an unsanitized attribute (CVE-2021-39263) * libnbd: nbdcopy: missing error handling may create corrupted destination image (CVE-2022-0485) * hivex: stack overflow due to recursive call of _get_children() (CVE-2021-3622) * nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS (CVE-2021-3716) * libvirt: segmentation fault during VM shutdown can lead to vdsm hang (CVE-2021-3975) * QEMU: NULL pointer dereference in mirror_wait_on_conflicts() in block/mirror.c (CVE-2021-4145) * QEMU: NULL pointer dereference in pci_write() in hw/acpi/pcihp.c (CVE-2021-4158) * QEMU: block: fdc: null pointer dereference may lead to guest crash (CVE-2021-20196) 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/8/ALSA-2022-1759.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-2026:86170: .NET 9.0 security, bug fix, and enhancement update (Critical)
by AlmaLinux Errata Notifications 31 Oct '26

31 Oct '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Critical Release date: 2026-10-30 Summary: .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 9.0.122 Runtime version: 9.0.21 Security Fix(es): * dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280) * dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822) * dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651) * dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159) * dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175) * dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179) * dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181) * dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183) * dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186) * dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188) * dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196) * dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092) * dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707) * dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225) * dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230) * dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231) * dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233) * dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236) * dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237) * dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238) Bug Fix(es) and Enhancement(s): * Update .NET 9.0 to SDK 9.0.122 and Runtime 9.0.21 (JIRA:AlmaLinux-277797) 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-2026-86170.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-2020:1650: An update for the container-tools:rhel8 module is now available for AlmaLinux AlmaLinux Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. (Moderate)
by AlmaLinux Errata Notifications 31 Oct '26

31 Oct '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Moderate Release date: 2026-10-30 Summary: The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fix(es): * runc: volume mount race condition with shared mounts leads to information leak/integrity manipulation (CVE-2019-19921) * containers/image: Container images read entire image manifest into memory (CVE-2020-1702) * podman: incorrectly allows existing files in volumes to be overwritten by a container when it is created (CVE-2020-1726) 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/8/ALSA-2020-1650.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-2024:1828: java-21-openjdk security update (Moderate)
by AlmaLinux Errata Notifications 31 Oct '26

31 Oct '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Moderate Release date: 2026-10-30 Summary: The java-21-openjdk packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit. Security Fix(es): * OpenJDK: long Exception message leading to crash (8319851) (CVE-2024-21011) * OpenJDK: integer overflow in C1 compiler address generation (8322122) (CVE-2024-21068) * OpenJDK: HTTP/2 client improper reverse DNS lookup (8315708) (CVE-2024-21012) 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-2024-1828.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-2020:1926: An update for the container-tools:1.0 module is now available for AlmaLinux AlmaLinux Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. (Important)
by AlmaLinux Errata Notifications 31 Oct '26

31 Oct '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: 2026-10-30 Summary: The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fix(es): * buildah: Crafted input tar file may lead to local file overwrite during image build process (CVE-2020-10696) 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. Bug Fix(es): * conflicting requests: failed to install container-tools:1.0 (BZ#1813776) * podman run container error with avc denied (BZ#1816541) Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2020-1926.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-2026:92429: .NET 9.0 security, bug fix, and enhancement update (Important)
by AlmaLinux Errata Notifications 30 Oct '26

30 Oct '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: 2026-10-30 Summary: .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 9.0.123 Runtime version: 9.0.22 Security Fix(es): * dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114148) Bug Fix(es) and Enhancement(s): * Update .NET 9.0 to SDK 9.0.123 and Runtime 9.0.22 [rhel-9.8.z] (JIRA:RHEL-291727) 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-2026-92429.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-2026:92432: .NET 10.0 security, bug fix, and enhancement update (Important)
by AlmaLinux Errata Notifications 30 Oct '26

30 Oct '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: 2026-10-30 Summary: .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 10.0.114 Runtime version: 10.0.14 Security Fix(es): * dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114148) Bug Fix(es) and Enhancement(s): * Update .NET 10.0 to SDK 10.0.114 and Runtime 10.0.14 [rhel-9.8.z] (JIRA:RHEL-291744) 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-2026-92432.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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