CVE-2026-42250
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
- Published May 28, 2026
- CVSS 4.8 medium
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available