PT-2026-86446 · Tcpdump+2 · Libpcap
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
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.
Exploit
Fix
Infinite Loop
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Weakness Enumeration
Related Identifiers
Affected Products
Libpcap