CVE-2026-42250 Details
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
A vulnerability exists in bzip2 versions prior to 1.0.9, specifically within the bzip2recover utility. The issue arises from an off-by-one error that allows for an out-of-bounds write to a global buffer when the application processes specially crafted files. This memory corruption causes a crash, creating a denial-of-service condition.
Users can upgrade to bzip2 version 1.0.9 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No CVSS 3.x data is available for this CVE.
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 28, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
Affected Products
No affected product data is available for this CVE.
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 5, 2026 | CVE Modified | [email protected] |
| May 28, 2026 | CVE Modified | [email protected] |
| May 28, 2026 | New CVE Received | [email protected] |