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CVE PROGRAM SOURCE RECORD5.5 Medium

CVE-2026-31911

abort() in libpcap before 1.10.7 on an invalid BPF opcode

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

The Tcpdump Group libpcap

Default version status: unaffected

  • 0 to < 1.10.7affected

References