Red Hat Security AdvisoryRHSA-2026:74442
libpcap security update
Released 2026-10-01 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux BaseOS (v. 10) libpcap-14:1.10.4-7.el10_2.1
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libpcap-devel-14:1.10.4-7.el10_2.1
Fixes 1 record
Priority LOW 36
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.
CVSS 3.1HIGH 8.7· Local · Low privileges · No interaction · EPSS 0.00108 · Published 2026-09-05 · Partial fix · 1.10.7 CWE-125