CVE-2026-31911CWE-617
CVE-2026-31911
Medium · published September 5, 2026
What it is
libpcap BPF interpreter calls abort() if it encounters a BPF instruction that has an invalid opcode. In particular uncommon use cases a crafted filter program can terminate the OS process.
The record
Technical detail
- CVSS v3.1
- 5.5 · MEDIUM
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00098 · 0.9th percentile
- Weakness
- CWE-617 · Reachable Assertion
- Published
- 2026-09-05T23:16Z
References (1)
EPSS history
Timeline