CVE-2026-6244
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 for the 'div #k' and 'mod #k' ALU instructions does not check whether the immediate value is zero. In particular uncommon use cases a crafted filter program can cause a division by zero.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| The Tcpdump Group | libpcap | 0 < 1.10.7 | affected |
Weaknesses
- CWE-369: CWE-369 Divide By Zero
Workarounds
Validate every filter program that has not been produced by a local call to pcap_compile().
References
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