SB2025050743 - Ubuntu update for poppler
Published: May 7, 2025
Security Bulletin ID
SB2025050743
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 verification of cryptographic signature (CVE-ID: CVE-2025-43903)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to incorrect adbe.pkcs7.sha1 signature verification in NSSCryptoSignBackend.cc. A remote attacker can create a specially crafted file that bypasses signature verification process and allows to perform document forgery.
Remediation
Install update from vendor's website.