Signature Forgery Vulnerability in Poppler by FreeDesktop
CVE-2025-43903

4.3MEDIUM

Key Information:

Vendor

Freedesktop

Status
Poppler
Vendor
CVE Published:
18 April 2025
đź”” Create Freedesktop Vulnerability Alert

What is CVE-2025-43903?

The vulnerability in Poppler, located in the NSSCryptoSignBackend.cc file, involves a failure to verify the adbe.pkcs7.sha1 signatures on documents prior to version 25.04.0. This oversight allows potential forgery of digital signatures, posing a significant risk to the integrity of signed documents. It is crucial for users of affected versions to apply the necessary updates to mitigate this security risk.

Affected Version(s)

Poppler 0 < 25.04.0

References

https://gitlab.freedesktop.org/poppler/poppler/-/commit/f...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

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CVE-2025-43903 : Signature Forgery Vulnerability in Poppler by FreeDesktop