Medium severity5.5NVD Advisory· Published Sep 5, 2026
CVE-2026-6554
CVE-2026-6554
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. In particular uncommon use cases a crafted filter program can cause the interpreter to loop infinitely.
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Affected products
1Patches
Vulnerability mechanics
References
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