CVE-2026-24857
Severity CVSS v4.0:
MEDIUM
Type:
CWE-122
Heap-based Buffer Overflow
Publication date:
28/01/2026
Last modified:
28/01/2026
Description
`bulk_extractor` is a digital forensics exploitation tool. Starting in version 1.4, `bulk_extractor`’s embedded unrar code has a heap‑buffer‑overflow in the RAR PPM LZ decoding path. A crafted RAR inside a disk image causes an out‑of‑bounds write in `Unpack::CopyString`, leading to a crash under ASAN (and likely a crash or memory corruption in production builds). There's potential for using this for RCE. As of time of publication, no known patches are available.
Impact
Base Score 4.0
5.50
Severity 4.0
MEDIUM