AlmaLinux issued five security errata addressing critical vulnerabilities in Node.js versions 22 and 24, OpenSSH clients, and Vim across its Linux distributions. The advisories resolve denial-of-service flaws in the brace-expansion and tar libraries that impact Node.js packages, while a distinct Vim patch targets arbitrary code execution risks arising from malicious Python docstrings and crafted tags files used during omni-completion. OpenSSH updates mitigate severe threats including remote man-in-the-middle attacks via X11 forwarding, client-side denials of service triggered by double-free errors in DH-GEX validation, heap out-of-bounds reads in GSSAPI cleanup, use-after-free conditions during host key re-exchange, and scp file misplacement issues.

ALSA-2026:48034: nodejs24 security update (Important)
ALSA-2026:48032: nodejs-nodemon security update (Important)
ALSA-2026:48033: nodejs22 security update (Important)
ALSA-2026:47757: openssh security update (Important)
ALSA-2026:48703: vim security update (Important)
ALSA-2026:47755: openssh security update (Moderate)

ALSA-2026:48034: nodejs24 security update (Important)

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AlmaLinux: 10
Type: Security
Severity: Important
Release date: 2026-07-30

Summary:

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.

Security Fix(es):

* brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity (CVE-2026-13149)
* tar: Node-tar: Denial of Service via malformed tar archive header (CVE-2026-59874)
* tar: node-tar: Denial of Service via crafted gzip bomb (CVE-2026-59873)

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-2026-48034.html

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Kind regards,
AlmaLinux Team

ALSA-2026:48032: nodejs-nodemon security update (Important)

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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: 2026-07-30

Summary:

Simple monitor script for use during development of a node.js app. For use during development of a node.js based application. nodemon will watch the files in the directory in which nodemon was started, and if any files change, nodemon will automatically restart your node application. nodemon does not require any changes to your code or method of development. nodemon simply wraps your node application and keeps an eye on any files that have changed. Remember that nodemon is a replacement wrapper for node, think of it as replacing the word "node" on the command line when you run your script.

Security Fix(es):

* brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity (CVE-2026-13149)

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-2026-48032.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/.
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Kind regards,
AlmaLinux Team

ALSA-2026:48033: nodejs22 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: 2026-07-30

Summary:

Node.js is a platform built on Chrome's JavaScript runtime \ for easily building fast, scalable network applications. \ Node.js uses an event-driven, non-blocking I/O model that \ makes it lightweight and efficient, perfect for data-intensive \ real-time applications that run across distributed devices.

Security Fix(es):

* brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity (CVE-2026-13149)
* tar: Node-tar: Denial of Service via malformed tar archive header (CVE-2026-59874)
* tar: node-tar: Denial of Service via crafted gzip bomb (CVE-2026-59873)

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-2026-48033.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/.
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Kind regards,
AlmaLinux Team

ALSA-2026:47757: openssh 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: 2026-07-29

Summary:

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.

Security Fix(es):

* openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in AlmaLinux OpenSSH client versions (CVE-2026-55655)
* openssh: Double free in AlmaLinux versions of OpenSSH DH-GEX client path during FIPS known-group validation leads to client-side denial of service (CVE-2026-55653)
* openssh: Heap out-of-bounds read in AlmaLinux versions of OpenSSH GSSAPI indicator cleanup due to missing NULL sentinel termination (CVE-2026-55654)
* openssh: OpenSSH: Use-after-free vulnerability during host key re-exchange on the client side (CVE-2026-60002)
* openssh: OpenSSH: `scp` file misplacement vulnerability during remote copy (CVE-2026-59996)

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-2026-47757.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/.
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Kind regards,
AlmaLinux Team

ALSA-2026:48703: vim 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: 2026-07-30

Summary:

Vim (Vi IMproved) is an updated and improved version of the vi editor.

Security Fix(es):

* vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo() (CVE-2026-57455)
* vim: Vim: Arbitrary code execution via malicious docstrings in Python omni-completion (CVE-2026-57456)
* vim: Vim: Out-of-bounds Write in Spell File Word Count (CVE-2026-55693)
* vim: Vim: Arbitrary command execution via crafted tags file in C omni-completion (CVE-2026-59858)

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-2026-48703.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/.
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Kind regards,
AlmaLinux Team

ALSA-2026:47755: openssh security update (Moderate)

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: 2026-07-30

Summary:

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.

Security Fix(es):

* openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in AlmaLinux OpenSSH client versions (CVE-2026-55655)
* openssh: Double free in AlmaLinux versions of OpenSSH DH-GEX client path during FIPS known-group validation leads to client-side denial of service (CVE-2026-55653)

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-2026-47755.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/.
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Kind regards,
AlmaLinux Team