Reachable Assertion Affecting libpcap package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.11% (1st percentile)

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  • Snyk IDSNYK-CONAN-LIBPCAP-20079133
  • published24 Sept 2026
  • disclosed5 Sept 2026
  • creditUnknown

Introduced: 5 Sep 2026

NewCVE-2026-31911  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Reachable Assertion through the BPF interpreter process. An attacker can cause the termination of the operating system process by supplying a crafted filter program containing an invalid opcode.

CVSS Base Scores

version 4.0
version 3.1