CVEvulnerability

CVE-2026-6554

7.5 HIGH Published 2026-09-05 Modified 2026-10-22 Official page ↗
Status
Awaiting Analysis
Published
2026-09-05
Last modified
2026-10-22
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-835

Description

libpcap BPF interpreter treats the offset in the 'ja L' BPF instruction as a signed integer to implement looping via backward jumps, but it does not limit the number of loop iterations. A crafted filter program or the 'protochain' primitive used on a crafted network packet can cause the interpreter to loop infinitely.

Related

Weakness · CWE (1)

  • CWE-835 Loop with Unreachable Exit Condition weakness

References