CVE-2026-6244

5.5 mediumEPSS 0.1%

Medium (5.5). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-369
Published: 2026-09-05
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19

References

https://github.com/the-tcpdump-group/libpcap/commit/98bb921b141aa642faedbf2ac510541c76499a19

Check your stack JSON