CVE-2026-42250
Off-by-One Leading to Out-of-Bounds Write in bzip2
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
No summary for this CVE yet.
Weaknesses
Affected Products
bzip2
oss-project
bzip2Library
OSS LibrariesExploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://cert.pl/en/posts/2026/05/CVE-2026-42250/
cert.pl
https://sourceware.org/bzip2/
sourceware.org
https://inbox.sourceware.org/bzip2-devel/20260528145407.293768-1-mark@klomp.org/
inbox.sourceware.org
and 1 more references View all →
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