CVE-2026-6244 Affecting libpcap package, versions <1.10.5-2+e3


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-ECHOLATEST-LIBPCAP-19637973
  • published6 Sept 2026
  • disclosed5 Sept 2026

Introduced: 5 Sep 2026

CVE-2026-6244  (opens in a new tab)

How to fix?

Upgrade Echo:latest libpcap to version 1.10.5-2+e3 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 Echo. See How to fix? for Echo:latest 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