AlmaLinux issued ten security advisories, targeting distribution versions 8, 9, and 10. The patches resolve high-risk vulnerabilities in widely deployed tools including Python 3.14, the Jackson data-binding suite, GIMP, Pacemaker, fence-agents, libtiff, capstone, HPLIP, and Maven. Attackers could exploit these flaws to bypass authentication, trigger arbitrary code execution, cause memory corruption, or force denial of service conditions on affected systems. Infrastructure teams should deploy the updated packages through standard repository channels before threat actors take advantage of the published CVEs.

ALSA-2026:25902: fence-agents security update (Important)
ALSA-2026:39323: pacemaker security update (Important)
ALSA-2026:41892: libtiff security, bug fix, and enhancement update (Important)
ALSA-2026:39309: capstone security update (Low)
ALSA-2026:40831: hplip security update (Important)
ALSA-2026:40856: python3.14 security update (Important)
ALSA-2026:40895: jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base security update (Important)
ALSA-2026:40751: gimp security update (Important)
ALSA-2026:40841: maven:3.8 security update (Important)
ALSA-2026:40894: hplip security update (Important)

ALSA-2026:25902: fence-agents security update (Important)

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: 2026-07-17

Summary:

The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster.

Security Fix(es):

* python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens (CVE-2026-48526)

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-2026-25902.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

ALSA-2026:39323: pacemaker security update (Important)

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: 2026-07-20

Summary:

The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in the event of failures.

Security Fix(es):

* pacemaker: Pacemaker: Denial of Service via integer overflow in remote message decompression (CVE-2026-10649)

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-2026-39323.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

ALSA-2026:41892: libtiff security, bug fix, and enhancement update (Important)

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: 2026-07-20

Summary:

The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.

Security Fix(es):

* libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM (CVE-2023-52355)
* libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image (CVE-2026-12912)

Bug Fix(es) and Enhancement(s):

* Reintroduce the `tiffcp -i` option (JIRA:AlmaLinux-185328)

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-2026-41892.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

ALSA-2026:39309: capstone security update (Low)

Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux.

AlmaLinux: 9
Type: Security
Severity: Low
Release date: 2026-07-17

Summary:

Capstone is a disassembly framework with the target of becoming the ultimate disasm engine for binary analysis and reversing in the security community.

Security Fix(es):

* capstone: Capstone: Memory corruption via unchecked vsnprintf return (CVE-2025-68114)

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-2026-39309.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

ALSA-2026:40831: hplip security update (Important)

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: 2026-07-17

Summary:

The hplip packages contain the Hewlett-Packard Linux Imaging and Printing Project (HPLIP), which provides drivers for Hewlett-Packard printers and multi-function peripherals.

Security Fix(es):

* HPLIP: Incomplete Fix for CVE-2026-8631 (CVE-2026-14544)

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-2026-40831.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

ALSA-2026:40856: python3.14 security update (Important)

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: 2026-07-17

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: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations (CVE-2026-15308)

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-2026-40856.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

ALSA-2026:40895: jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base security update (Important)

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: 2026-07-17

Summary:

The general-purpose data-binding functionality and tree-model for Jackson Data Processor. It builds on core streaming parser/generator package, and uses Jackson Annotations for configuration.

Security Fix(es):

* jackson-databind: Jackson-databind: Security bypass allows arbitrary code execution (CVE-2026-54513)
* jackson-databind: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512)

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-2026-40895.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

ALSA-2026:40751: gimp security update (Important)

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: 2026-07-17

Summary:

The GIMP (GNU Image Manipulation Program) is an image composition and editing program. GIMP provides a large image manipulation toolbox, including channel operations and layers, effects, sub-pixel imaging and anti-aliasing, and conversions, all with multi-level undo.

Security Fix(es):

* gimp: gimp: Stack buffer overflow in pnmscanner_gettoken() (CVE-2026-58380)
* gimp: gimp: Integer overflow in read_RLE_channel() (CVE-2026-58384)

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-2026-40751.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

ALSA-2026:40841: maven:3.8 security update (Important)

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: 2026-07-17

Summary:

Maven is a software project management and comprehension tool. Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information.

Security Fix(es):

* org.codehaus.plexus:plexus-utils: Plexus-utils: Directory Traversal in extractFile method (CVE-2025-67030)

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-2026-40841.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

ALSA-2026:40894: hplip security update (Important)

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: 2026-07-17

Summary:

The hplip packages contain the Hewlett-Packard Linux Imaging and Printing Project (HPLIP), which provides drivers for Hewlett-Packard printers and multi-function peripherals.

Security Fix(es):

* HPLIP: Incomplete Fix for CVE-2026-8631 (CVE-2026-14544)

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-2026-40894.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