Critical severity9.8OSV Advisory· Published Jan 28, 2026· Updated Jun 17, 2026
CVE-2026-24857
CVE-2026-24857
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.
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Affected products
385471cf, v1.4.0, v1.4.4, …+ 2 more
- (no CPE)range: 85471cf, v1.4.0, v1.4.4, …
- cpe:2.3:a:simsong:bulk_extractor:*:*:*:*:*:*:*:*range: >=1.4
- (no CPE)range: >=1.4
Patches
Vulnerability mechanics
References
1- github.com/simsong/bulk_extractor/security/advisories/GHSA-rh8m-9xrx-q64qnvdExploitVendor Advisory
News mentions
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