CVE-2026-31911EPSS p1.0%
CVE-2026-31911CVE-2026-31911
Description
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.
Scoring
| CVSS | 5.5 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 0.10% probability of exploitation · percentile 1.0% · 2026-10-04T12:00:21Z |
| Last modified | 2026-09-08 |