THREAT OPS › Threat News › [NVD] CVE-2026-0799 (HIGH 8.7) — 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
[NVD] CVE-2026-0799 (HIGH 8.7) — 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
CVE-2026-0799 CVSS: 8.7 HIGH Published: 2026-09-05T19:16:55.320
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
Indicators of compromise
- CVE-2026-0799cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-0799