CVE-2026-6554

ADVISORY - nist

Summary

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. In particular uncommon use cases a crafted filter program can cause the interpreter to loop infinitely.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-835⁠

Loop with Unreachable Exit Condition ('Infinite Loop')

Impacted images

Advisories

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