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High ALSA-2026:75864 2 CVEs

Important: nodejs22 security update

Published Oct 5, 2026 · Updated Oct 29, 2026

Summary

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):

* pacote: Pacote: Denial of Service via crafted spec.rawSpec value in addGitSha function (CVE-2026-9496)
* undici: undici: Denial of Service via unrequested WebSocket subprotocol (CVE-2026-19534)

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 6

ReleasePackageFixed in
AlmaLinux · 10 nodejs 1:22.23.2-3.el10_2
AlmaLinux · 10 nodejs-devel 1:22.23.2-3.el10_2
AlmaLinux · 10 nodejs-docs 1:22.23.2-3.el10_2
AlmaLinux · 10 nodejs-full-i18n 1:22.23.2-3.el10_2
AlmaLinux · 10 nodejs-libs 1:22.23.2-3.el10_2
AlmaLinux · 10 nodejs-npm 1:10.9.8-1.22.23.2.3.el10_2

Vulnerabilities 2

  • High 7.5

    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 …

  • High 7.5

    pacote is vulnerable to Denial of Service (DoS) via the addGitSha function

    Versions of the package pacote from 11.2.7 and before 21.5.1 are vulnerable to Denial of Service (DoS) via the addGitSha function. An attacker can exploit this vulnerability by supplying a specially crafted spec.rawSpec value that triggers the function’s rege…

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-19534
  • report
    https://access.redhat.com/security/cve/CVE-2026-9496
  • report
    https://bugzilla.redhat.com/2481394
  • report
    https://bugzilla.redhat.com/2528759
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-75864.html