AlmaLinux alert ALSA-2026:7675 (nodejs24)

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[Announce]  [Security Advisory] ALSA-2026:7675: nodejs24 security update (Important)
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Wed, 15 Apr 2026 10:07:46 +0000
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<0100019d909c7642-1db977db-13b3-446b-9a9b-cbd3924fc926-000000@email.amazonses.com>
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Article
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: 2026-04-14

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):  

  * nodejs: Nodejs denial of service (CVE-2026-21637)
  * brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion
(CVE-2026-25547)
  * minimatch: minimatch: Denial of Service via specially crafted glob patterns (CVE-2026-26996)
  * undici: Undici: Denial of Service due to uncontrolled resource consumption (CVE-2026-2581)
  * undici: Undici: HTTP header injection and request smuggling vulnerability (CVE-2026-1527)
  * undici: undici: Denial of Service via unbounded memory consumption during WebSocket
permessage-deflate decompression (CVE-2026-1526)
  * undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter
(CVE-2026-2229)
  * undici: Undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length
headers (CVE-2026-1525)
  * undici: undici: Denial of Service via crafted WebSocket frame with large length
(CVE-2026-1528)
  * nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination
(CVE-2026-27135)
  * Node.js: Node.js: Denial of Service via malformed Internationalized Domain Name processing
(CVE-2026-21712)
  * Node.js: Node.js: Denial of Service due to crafted HTTP `__proto__` header (CVE-2026-21710)
  * Node.js: Node.js: Information disclosure due to `fs.realpathSync.native()` bypassing filesystem
read restrictions (CVE-2026-21715)
  * nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and
ownership via incomplete security fix. (CVE-2026-21716)
  * Node.js: Node.js: Unauthorized inter-process communication due to missing Unix Domain Socket
permission checks (CVE-2026-21711)
  * Node.js: Node.js: Information disclosure via timing oracle in HMAC verification
(CVE-2026-21713)
  * Node.js: Node.js: Memory leak and Denial of Service via crafted HTTP/2 WINDOW_UPDATE frames
(CVE-2026-21714)
  * nodejs: v8: Node.js: Denial of Service via V8 string hashing mechanism due to predictable hash
collisions (CVE-2026-21717)


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-2026-7675.html

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AlmaLinux Team
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