Is CVE-2025-43903 actively exploited?

CVE-2025-43903 has no public evidence of in-the-wild exploitation as of 2025-10-06.

What is the CVSS score for CVE-2025-43903?

CVE-2025-43903 has a CVSS score of 4.3 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

How do I patch CVE-2025-43903?

Patch guidance is available from freedesktop security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-43903.

Which products are affected by CVE-2025-43903?

1 product: freedesktop poppler.

CVE-2025-43903 - remediation guidance & executive summary

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Attack Vector: local
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: none
Integrity: low
Availability: none
Weaknesses: CWE-347

Metadata

Primary Vendor: FREEDESKTOP
Published: 4/18/2025
Last Modified: 10/6/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-43903

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary