Veille CVE
CVE-2026-0799
8.7 ÉlevéeDescription
In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading and writing the OS process memory in the 16GiB starting at the current stack frame on 64-bit architectures and in the entire address space on 32-bit architectures.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 8.7 Élevée | security@tcpdump.org | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H |