CVE-2026-6554
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| The Tcpdump Group | libpcap | 0 < 1.10.7 | affected |
Weaknesses
- CWE-835: CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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