RHSA-2026:74441HighCVSS 8.7

Red Hat Security Advisory: libpcap security update

Published
October 1, 2026
Last Modified
October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-0799 →

📋 Description

CVE-2026-0799 — libpcap: libpcap: Out-of-bounds read and write vulnerability allows arbitrary memory access

🎯 Affected products33

  • Red Hat Enterprise Linux BaseOS (v. 9)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-14:1.10.0-4.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-14:1.10.0-4.el9_8.1.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-14:1.10.0-4.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-14:1.10.0-4.el9_8.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-14:1.10.0-4.el9_8.1.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-14:1.10.0-4.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.i686 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debuginfo-14:1.10.0-4.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.i686 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.i686 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • libpcap-debugsource-14:1.10.0-4.el9_8.1.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-devel-14:1.10.0-4.el9_8.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • libpcap-devel-14:1.10.0-4.el9_8.1.i686 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
  • +3 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

🔗 References (4)