CVE-2025-43903

MEDIUM
2025-04-18 [email protected]
4.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:37 vuln.today
Patch Released
Mar 28, 2026 - 18:37 nvd
Patch available
CVE Published
Apr 18, 2025 - 21:15 nvd
MEDIUM 4.3

Tags

Jwt Attack Information Disclosure Poppler Redhat Suse

Description

NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.

Analysis

NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity.

Technical Context

This vulnerability is classified under CWE-347. NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries. Affected products include: Freedesktop Poppler. Version information: before 25.04.0.

Affected Products

Freedesktop Poppler.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +22
POC: 0

Vendor Status

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CVE-2025-43903 vulnerability details – vuln.today
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