RHSA-2026:7123 - Security Advisory

Topic

An update for the nodejs:22 module is now available for Red Hat Enterprise Linux 8.

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 software development platform for building fast and scalable network applications in the JavaScript programming language.

Security Fix(es):

• 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)
• minimatch: Minimatch: Denial of Service via catastrophic backtracking in glob expressions (CVE-2026-27904)
• 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 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

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x

Fixes

• BZ - 2436942 - CVE-2026-25547 brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion
• BZ - 2441268 - CVE-2026-26996 minimatch: minimatch: Denial of Service via specially crafted glob patterns
• BZ - 2442922 - CVE-2026-27904 minimatch: Minimatch: Denial of Service via catastrophic backtracking in glob expressions
• BZ - 2447142 - CVE-2026-1526 undici: undici: Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression
• BZ - 2447143 - CVE-2026-2229 undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter
• BZ - 2447144 - CVE-2026-1525 undici: Undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers
• BZ - 2447145 - CVE-2026-1528 undici: undici: Denial of Service via crafted WebSocket frame with large length
• BZ - 2448754 - CVE-2026-27135 nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination
• BZ - 2453151 - CVE-2026-21710 Node.js: Node.js: Denial of Service due to crafted HTTP `__proto__` header
• RHEL-154019 - nodejs:22/nodejs: Rebase to the latest Node.js 22 release [rhel-8]

CVEs

• CVE-2026-1525
• CVE-2026-1526
• CVE-2026-1528
• CVE-2026-2229
• CVE-2026-21710
• CVE-2026-25547
• CVE-2026-26996
• CVE-2026-27135
• CVE-2026-27904

References

• https://access.redhat.com/security/updates/classification/#important