ESB-2026.3445
PUBLISHED
CVSS 7.5 HIGH
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AUSCERT External Security Bulletin Redistribution
ESB-2026.3445
nodejs22 security update
9 April 2026
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AUSCERT Security Bulletin Summary
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Product: nodejs22
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2026-1525 CVE-2026-1526 CVE-2026-1528
CVE-2026-2229 CVE-2026-26996 CVE-2026-25547
CVE-2026-27904 CVE-2026-27135 CVE-2026-21710
Original Bulletin:
https://access.redhat.com/errata/RHSA-2026:7080
Comment: CVSS (Max): 7.5 CVE-2026-27135 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (Max): 0.2% (40th) CVE-2026-2229 2026-04-08
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RHSA-2026:7080 - Security Advisory
Issued: 2026-04-08
Updated: 2026-04-08
Synopsis
Nodejs22 security update
Type/Severity
Security Advisory: Important
Topic
An update for nodejs22 is now available for Red Hat Enterprise Linux 10.
Red Hat 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.
Description
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):
o brace-expansion: brace-expansion: Denial of Service via unbounded brace
range expansion (CVE-2026-25547)
o minimatch: minimatch: Denial of Service via specially crafted glob patterns
(CVE-2026-26996)
o minimatch: Minimatch: Denial of Service via catastrophic backtracking in
glob expressions (CVE-2026-27904)
o undici: undici: Denial of Service via unbounded memory consumption during
WebSocket permessage-deflate decompression (CVE-2026-1526)
o undici: Undici: Denial of Service via invalid WebSocket permessage-deflate
extension parameter (CVE-2026-2229)
o undici: Undici: HTTP Request Smuggling and Denial of Service due to
duplicate Content-Length headers (CVE-2026-1525)
o undici: undici: Denial of Service via crafted WebSocket frame with large
length (CVE-2026-1528)
o nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after
session termination (CVE-2026-27135)
o Node.js: Node.js: Denial of Service due to crafted HTTP `__proto__` header
(CVE-2026-21710)
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.
Solution
For details on how to apply this update, which includes the changes described
in this advisory, refer to:
https://access.redhat.com/articles/11258
Affected Products
o Red Hat Enterprise Linux for x86_64 10 x86_64
o Red Hat Enterprise Linux for IBM z Systems 10 s390x
o Red Hat Enterprise Linux for Power, little endian 10 ppc64le
o Red Hat Enterprise Linux for ARM 64 10 aarch64
Fixes
o BZ - 2436942 - CVE-2026-25547 brace-expansion: brace-expansion: Denial of
Service via unbounded brace range expansion
o BZ - 2441268 - CVE-2026-26996 minimatch: minimatch: Denial of Service via
specially crafted glob patterns
o BZ - 2442922 - CVE-2026-27904 minimatch: Minimatch: Denial of Service via
catastrophic backtracking in glob expressions
o BZ - 2447142 - CVE-2026-1526 undici: undici: Denial of Service via
unbounded memory consumption during WebSocket permessage-deflate
decompression
o BZ - 2447143 - CVE-2026-2229 undici: Undici: Denial of Service via invalid
WebSocket permessage-deflate extension parameter
o BZ - 2447144 - CVE-2026-1525 undici: Undici: HTTP Request Smuggling and
Denial of Service due to duplicate Content-Length headers
o BZ - 2447145 - CVE-2026-1528 undici: undici: Denial of Service via crafted
WebSocket frame with large length
o BZ - 2448754 - CVE-2026-27135 nghttp2: nghttp2: Denial of Service via
malformed HTTP/2 frames after session termination
o BZ - 2453151 - CVE-2026-21710 Node.js: Node.js: Denial of Service due to
crafted HTTP `__proto__` header
CVEs
o CVE-2026-1525
o CVE-2026-1526
o CVE-2026-1528
o CVE-2026-2229
o CVE-2026-21710
o CVE-2026-25547
o CVE-2026-26996
o CVE-2026-27135
o CVE-2026-27904
References
o https://access.redhat.com/security/updates/classification/#important
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