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High RLSA-2026:74441 1 CVE

Important: libpcap security update

Published Oct 2, 2026 · Updated Oct 2, 2026

Summary

The libpcap packages provide a portable framework for low-level network monitoring. The libpcap library provides network statistics collection, security monitoring, and network debugging.

Security Fix(es):

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

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 1

ReleasePackageFixed in
Rocky Linux · 9 libpcap 4:1.10.0-4.el9_8.1

Vulnerabilities 1

  • High 8.7

    OOBR and OOBW in libpcap before 1.10.7

    In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value. In particular uncommon use cases a crafted filter p…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2529093
  • advisory
    https://access.redhat.com/errata/RHSA-2026:74441