PT-2026-86443 · Tcpdump+2 · Libpcap

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CVE-2026-31911

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Published

2026-09-05

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Updated

2026-09-10

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
libpcap BPF interpreter calls abort() if it encounters a BPF instruction that has an invalid opcode. In particular uncommon use cases a crafted filter program can terminate the OS process.

Exploit

Fix

Assertion Failure

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Weakness Enumeration

Related Identifiers

CVE-2026-31911
OPENSUSE-SU-2026:11744-1

Affected Products

Libpcap