CVE-2026-31911

—

CVSS 3.1

5.5 medium

EPSS

<1%p1

Published

Sep 5, 2026 (10d ago)

Modified

Sep 8, 2026

Description

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.

Weakness: CWE-617
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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