SB2025071030 - Ubuntu update for libyaml-libyaml-perl
Published: July 10, 2025
Security Bulletin ID
SB2025071030
CSH Severity
Medium
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 vulnerability.
1) Input validation error (CVE-ID: CVE-2025-40908)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to overwrite arbitrary files on the system.
The vulnerability exists due to insufficient validation of user-supplied input in LoadFile method. A remote attacker can pass specially crafted arguments to the affected method and overwrite arbitrary files on the system.
Remediation
Install update from vendor's website.