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High RLSA-2026:8339 4 CVEs

Important: nodejs:20 security update

Published Apr 16, 2026 · Updated Apr 16, 2026

Ecosystem: Rocky Linux

Summary

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

Security Fix(es):

* 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)

* 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.

Fixed packages 10

ReleasePackageFixed in
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.10.0+1924+614dc87f
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.10.0+1935+d3cbe60f
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.10.0+1666+930e28e8
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.10.0+1667+4a788d89
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.10.0+1989+e60144d9
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.10.0+1988+437f3d23
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.9.0+1760+903d54b9
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.10.0+1823+b5789597
Rocky Linux · 8 nodejs-nodemon 0:3.0.1-1.module+el8.10.0+1824+532140ee
Rocky Linux · 8 nodejs-packaging 0:2021.06-6.module+el8.10.0+40048+6d99f608

Vulnerabilities 4

  • High 8.7
    CVE-2026-26996

    minimatch has a ReDoS via repeated wildcards with non-matching literal in pattern

    minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Versions 10.2.0 and below are vulnerable to Regular Expression Denial of Service (ReDoS) when a glob pattern contains many consecutive * wildcards followed…

    isaacs minimatch langfuse-3-worker katib-suggestion-hyperopt Debian Ubuntu Wolfi npm
  • High 7.5
    CVE-2026-21710 Public exploit EPSS 25%

    A flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `…

    Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • High 7.5
    CVE-2026-27135

    nghttp2 Denial of service: Assertion failure due to the missing state validation

    nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API `nghttp2_session_terminate_session` or `nghttp2_session_terminate_session2…

    nghttp2 nghttp2 nodejs cmake Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2026-27904

    minimatch ReDoS: nested *() extglobs generate catastrophically backtracking regular expressions

    minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.4, nested `*()` extglobs produce regexps with nested unbounded quantifiers (e.g.…

    isaacs minimatch katib-suggestion-hyperopt katib-earlystopping Debian Ubuntu Wolfi npm

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2441268
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2442922
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2448754
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2453151