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High RHSA-2026:73428 3 CVEs

Red Hat Security Advisory: nodejs24 security, bug fix, and enhancement update

Published Sep 30, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 9

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24 1:24.21.0-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24-debuginfo 1:24.21.0-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24-debugsource 1:24.21.0-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24-devel 1:24.21.0-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24-docs 1:24.21.0-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24-full-i18n 1:24.21.0-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24-libs 1:24.21.0-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24-libs-debuginfo 1:24.21.0-1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 nodejs24-npm 2:11.19.0-1.24.21.0.1.el10_2

Vulnerabilities 3

  • High 7.5
    CVE-2026-19534

    undici vulnerable to Denial of Service via unrequested WebSocket subprotocol

    undici's WebSocket client crashes the whole Node.js process during the opening handshake when a server responds with a subprotocol that the client never requested. A default WebSocket connection sends no subprotocol, but if the server's 101 response includes …

    undici undici renovate prism Debian Ubuntu Wolfi npm
  • High 7.4
    CVE-2026-84961

    undici vulnerable to TLS certificate validation bypass via dropped connect options in BalancedPool

    undici's BalancedPool constructor passes its entire options object through an internal deep-clone that serializes and reparses the value as JSON. Because JSON cannot represent functions, any function-valued TLS option, such as a caller-supplied checkServerIde…

    undici undici prism lerna Debian Ubuntu Wolfi npm
  • High 7.4
    CVE-2026-85152

    undici vulnerable to cross-origin cache poisoning via missing origin isolation in interceptors

    undici 8.10.0 omits the destination origin from the cache and request-deduplication keys when the cache or deduplicate interceptor is composed directly onto a Client or Pool. Because the internal cache key falls back to an empty origin string, a cacheable or …

    undici undici node-undici node-undici Debian Ubuntu npm

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2528717
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2528735
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2528759
  • article
    https://issues.redhat.com/browse/RHEL-249187
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_73428.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-19534
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-19534
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-19534
  • article
    https://cna.openjsf.org/security-advisories.html
  • article
    https://github.com/nodejs/undici/security/advisories/GHSA-rfgv-xxqx-mfg5
  • report
    https://access.redhat.com/security/cve/CVE-2026-84961
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-84961
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-84961
  • article
    https://github.com/nodejs/undici/security/advisories/GHSA-w293-vg96-wgc3
  • report
    https://access.redhat.com/security/cve/CVE-2026-85152
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-85152
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-85152
  • article
    https://github.com/nodejs/undici/security/advisories/GHSA-vp8m-p9jh-q5pm