CVE-2026-6244
division by zero in libpcap before 1.10.7
- State
- Published
- Severity
- 5.5 Medium
- Published
- Sep 5, 2026
- Updated
- Sep 17, 2026
- Reserved
- Apr 13, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | Tcpdump |
Weaknesses
- CWE-369 Divide By Zero
Affected Products
| Product | Versions |
|---|---|
libpcapThe Tcpdump Group |
|
References
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