CVE-2026-31912 | BDVDB-2026-368481 Detail

Description#

libpcap BPF interpreter detects neither reaching the end of the filter program buffer due to lack of a return instruction nor executing a jump instruction with an offset that translates to a pointer outside of the buffer. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading the OS process memory in the 32GiB around the buffer on 64-bit architectures and in the entire address space on 32-bit architectures.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-09-05Record published in the CVE List.
2. Version 22026-09-08Most recent update recorded in the CVE List.