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
History

Sat, 30 May 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Bzip
Bzip bzip2
Vendors & Products Bzip
Bzip bzip2

Thu, 28 May 2026 18:00:00 +0000

Type Values Removed Values Added
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 version 1.0.9 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
References

Thu, 28 May 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 28 May 2026 14:15:00 +0000

Type Values Removed Values Added
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 version 1.0.9
Title Off-by-One Leading to Out-of-Bounds Write in bzip2
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: CERT-PL

Published: 2026-05-28T13:15:19.660Z

Updated: 2026-05-28T17:01:57.259Z

Reserved: 2026-04-25T11:31:56.229Z

Link: CVE-2026-42250

cve-icon Vulnrichment

Updated: 2026-05-28T14:22:56.254Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-28T14:16:19.890

Modified: 2026-05-28T18:16:32.577

Link: CVE-2026-42250

cve-icon Redhat

No data.