RHSA-2026:8339HighCVSS 7.5

Red Hat Security Advisory: nodejs:20 security update

Published
April 15, 2026
Last Modified
August 11, 2026

🔗 CVE IDs covered (4)

CVE-2026-21710 →CVE-2026-26996 →CVE-2026-27135 →CVE-2026-27904 →

📋 Description

CVE-2026-21710 — Node.js: Node.js: Denial of Service due to crafted HTTP __proto__ header CVE-2026-26996 — minimatch: minimatch: Denial of Service via specially crafted glob patterns CVE-2026-27135 — nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination CVE-2026-27904 — minimatch: Minimatch: Denial of Service via catastrophic backtracking in glob expressions

🎯 Affected products32

  • Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-1:20.20.2-1.module+el8.10.0+24197+1602b452.aarch64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-1:20.20.2-1.module+el8.10.0+24197+1602b452.ppc64le (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-1:20.20.2-1.module+el8.10.0+24197+1602b452.s390x (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-1:20.20.2-1.module+el8.10.0+24197+1602b452.src (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-1:20.20.2-1.module+el8.10.0+24197+1602b452.x86_64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-debuginfo-1:20.20.2-1.module+el8.10.0+24197+1602b452.aarch64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-debuginfo-1:20.20.2-1.module+el8.10.0+24197+1602b452.ppc64le (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-debuginfo-1:20.20.2-1.module+el8.10.0+24197+1602b452.s390x (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-debuginfo-1:20.20.2-1.module+el8.10.0+24197+1602b452.x86_64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-debugsource-1:20.20.2-1.module+el8.10.0+24197+1602b452.aarch64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-debugsource-1:20.20.2-1.module+el8.10.0+24197+1602b452.ppc64le (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-debugsource-1:20.20.2-1.module+el8.10.0+24197+1602b452.s390x (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-debugsource-1:20.20.2-1.module+el8.10.0+24197+1602b452.x86_64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-devel-1:20.20.2-1.module+el8.10.0+24197+1602b452.aarch64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-devel-1:20.20.2-1.module+el8.10.0+24197+1602b452.ppc64le (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-devel-1:20.20.2-1.module+el8.10.0+24197+1602b452.s390x (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-devel-1:20.20.2-1.module+el8.10.0+24197+1602b452.x86_64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-docs-1:20.20.2-1.module+el8.10.0+24197+1602b452.noarch (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-full-i18n-1:20.20.2-1.module+el8.10.0+24197+1602b452.aarch64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-full-i18n-1:20.20.2-1.module+el8.10.0+24197+1602b452.ppc64le (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-full-i18n-1:20.20.2-1.module+el8.10.0+24197+1602b452.s390x (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-full-i18n-1:20.20.2-1.module+el8.10.0+24197+1602b452.x86_64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-nodemon-0:3.0.1-1.module+el8.10.0+23521+490ebfde.noarch (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-nodemon-0:3.0.1-1.module+el8.10.0+23521+490ebfde.src (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-packaging-0:2021.06-6.module+el8.10.0+24197+1602b452.noarch (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-packaging-0:2021.06-6.module+el8.10.0+24197+1602b452.src (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • nodejs-packaging-bundler-0:2021.06-6.module+el8.10.0+24197+1602b452.noarch (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • npm-1:10.8.2-1.20.20.2.1.module+el8.10.0+24197+1602b452.aarch64 (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • npm-1:10.8.2-1.20.20.2.1.module+el8.10.0+24197+1602b452.ppc64le (nodejs:20) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • +2 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (8)