CVE-2026-42250

Published: Mag 28, 2026 Last Modified: Mag 28, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,1
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

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

787

Out-of-bounds Write

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
Languages: Memory-Unsafe, C, C++, Assembly
Technologies: ICS/OT
Likelihood of Exploit: High
View CWE Details
https://cert.pl/en/posts/2026/05/CVE-2026-42250/
https://cert.pl/en/posts/2026/05/CVE-2026-42250/
https://sourceware.org/bzip2/
https://sourceware.org/bzip2/