CVE-2026-42250
Medium
Description
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
SeverityMedium
CVSS4.8
Exploit probability—
ProductBzip2
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bzip2 bzip2 | v ≤ 1.0.8 | — |
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