SB2025110753 - SUSE update for gpg2
Published: November 7, 2025
Security Bulletin ID
SB2025110753
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-2025-30258)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/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 disable signature verification.
The vulnerability exists due to an error when handling subkey data. A remote attacker can trick the victim into importing a specially crafted certificate with subkey data that lacks a valid backsig or that has incorrect usage flags and disable signature verification for other signing keys.
Remediation
Install update from vendor's website.