CVE-2026-42250
4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Summary
bzip2 contains an off‑by‑one error in the bzip2recover utility. When processing a specially crafted file, the application performs an out‑of‑bounds write to a global buffer, resulting in memory corruption and a crash (denial of service).
This issue was fixed in bzip2 patch 35d122a3df8b0cc4082a4d89fdc6ee99f375fe67
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| bzip2 | bzip2 | 0 <= 1.0.8 | affected |
| bzip2 | bzip2 | 35d122a3df8b0cc4082a4d89fdc6ee99f375fe67 | unaffected |
Weaknesses
- CWE-787: CWE-787 Out-of-bounds Write
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://cert.pl/en/posts/2026/05/CVE-2026-42250/
- https://sourceware.org/bzip2/
- https://inbox.sourceware.org/bzip2-devel/20260528145407.293768-1-mark@klomp.org/
- https://sourceware.org/cgit/bzip2/commit/?id=35d122a3df8b0cc4082a4d89fdc6ee99f375fe67
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