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

Fixed packages 9

Vulnerabilities 11

• High 7.5
  CVE-2026-56846 Public exploit

  A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memo…

  Node.js node nodejs nodejs Debian Ubuntu Alpine Wolfi
  Aug 4, 2026
• High 7.5
  CVE-2026-56848 Public exploit

  A flaw in Node.js HTTP/2 handling allows `nghttp2_session_mem_send()` to be called re-entrantly while `nghttp2_session_…

  Node.js node nodejs nodejs Debian Ubuntu Alpine Wolfi
  Aug 4, 2026
• High 7.5
  CVE-2026-58043 Public exploit

  A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries. Un…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Jul 30, 2026
• Medium 6.3
  CVE-2026-58040 Public exploit

  An incomplete fix has been identified in Node.js: HTTPS Agent TLS session reuse skips hostname verification across iden…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Jul 30, 2026
• Medium 6.2
  CVE-2026-58045 Public exploit

  A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:…

  Node.js node nodejs nodejs Debian Ubuntu Alpine Wolfi
  Aug 4, 2026
• Medium 5.9
  CVE-2026-58042 Public exploit

  A flaw in Node.js can cause dns.resolveAny() Aborts the Node.js Process When a DNS Response Contains More Than 256 A Re…

  Node.js node nodejs nodejs Debian Ubuntu Alpine Wolfi
  Aug 4, 2026
• Medium 5.3
  CVE-2026-58041 Public exploit

  A flaw in Node.js node:sqlite allows a stale StatementSyncIterator created through DatabaseSync#createTagStore() to con…

  Node.js node nodejs nodejs Debian Ubuntu Alpine Wolfi
  Aug 4, 2026
• Medium 4.1
  CVE-2026-56850 Public exploit

  A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allowing mutual TLS (mTLS) cl…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Jul 30, 2026
• Low 3.7
  CVE-2026-58044 Public exploit

  A flaw in Node.js HTTP client can cause a request desynchronization for Node.js-based forwarding proxies that rebuild o…

  Node.js node nodejs nodejs Debian Ubuntu Alpine Wolfi
  Aug 4, 2026
• Low 3.3
  CVE-2026-56847 Public exploit

  A flaw in Node.js Permission Model enforcement allows `trace_events.createTracing().enable()` Writes Trace Logs Outside…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Jul 30, 2026
• Low 3.3
  CVE-2026-58039 Public exploit

  A flaw in Node.js Permission Model enforcement allows process.report writes (and overwrites) files outside --allow-fs-w…

  Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Jul 31, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2509171
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2510856
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2511089
• article
  https://issues.redhat.com/browse/RHEL-220543
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_61377.json
• report
  https://access.redhat.com/security/cve/CVE-2026-56846
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-56846
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-56846
• article
  https://nodejs.org/en/blog/vulnerability/july-2026-security-releases
• report
  https://access.redhat.com/security/cve/CVE-2026-56847
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2509178
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-56847
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-56847
• report
  https://access.redhat.com/security/cve/CVE-2026-56848
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-56848
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-56848
• report
  https://access.redhat.com/security/cve/CVE-2026-56850
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2509179
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-56850
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-56850
• report
  https://access.redhat.com/security/cve/CVE-2026-58039
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2509653
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-58039
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-58039
• article
  https://nodejs.org/en/blog/vulnerability
• report
  https://access.redhat.com/security/cve/CVE-2026-58040
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2509175
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-58040
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-58040
• report
  https://access.redhat.com/security/cve/CVE-2026-58041
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2510858
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-58041
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-58041
• report
  https://access.redhat.com/security/cve/CVE-2026-58042
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2510854
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-58042
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-58042
• report
  https://access.redhat.com/security/cve/CVE-2026-58043