SB2026040997 - Improper input validation in uv
Published: April 9, 2026
Security Bulletin ID
SB2026040997
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2025-62518)
The vulnerability allows a remote attacker to cause inconsistent extraction behavior.
The vulnerability exists due to improper input validation in tar extraction handling when processing source distribution tar archives containing PAX headers with file size overrides. A remote attacker can provide a specially crafted source distribution to cause inconsistent extraction behavior.
Only source distributions formatted as tar archives are affected.
Remediation
Install update from vendor's website.