CVE-2026-6244 Affecting libpcap package, versions <1.10.7-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.15% (4th percentile)

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  • Snyk IDSNYK-ALPINE322-LIBPCAP-19638137
  • published7 Sept 2026
  • disclosed5 Sept 2026

Introduced: 5 Sep 2026

NewCVE-2026-6244  (opens in a new tab)

How to fix?

Upgrade Alpine:3.22 libpcap to version 1.10.7-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libpcap package and not the libpcap package as distributed by Alpine. See How to fix? for Alpine:3.22 relevant fixed versions and status.

libpcap BPF interpreter for the 'div #k' and 'mod #k' ALU instructions does not check whether the immediate value is zero. In particular uncommon use cases a crafted filter program can cause a division by zero.

CVSS Base Scores

version 3.1