Infinite loop 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-20079131
  • published24 Sept 2026
  • disclosed5 Sept 2026
  • creditUnknown

Introduced: 5 Sep 2026

NewCVE-2026-6554  (opens in a new tab)
CWE-835  (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 Infinite loop through the improper handling of offsets in the BPF interpreter, specifically in the ja L instruction. An attacker can cause the process to enter an infinite loop by supplying a specially crafted filter program.

CVSS Base Scores

version 4.0
version 3.1