Improper verification of cryptographic signature in Poppler - CVE-2025-43903
Published: May 7, 2025
Vulnerability identifier: #VU108758
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-43903
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Freedesktop.org
Affected software:
Poppler
Poppler
Detailed vulnerability description
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.
How to mitigate CVE-2025-43903
Install updates from vendor's website.