Skip to content
OpenAdvisories
High ELSA-2026-74441 1 CVE

Important: libpcap security update (Oracle Linux 9)

Published Oct 1, 2026 · Updated Oct 1, 2026

Ecosystem: Oracle Linux

Summary

[14:1.10.0-4.1]
- Fix CVE-2026-0799: add bounds checks for BPF scratch memory
register indices in the BPF interpreter
Related: RHEL-256935

Fixed packages 2

ReleasePackageFixed in
Oracle Linux · 9 libpcap 14:1.10.0-4.el9_8.1
Oracle Linux · 9 libpcap-devel 14:1.10.0-4.el9_8.1

Vulnerabilities 1

  • High 8.7
    CVE-2026-0799

    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…

    The Tcpdump Group libpcap nmap libpcap Debian Ubuntu Azure Linux Alpine