CVE-2025-43903

Name: CVE-2025-43903
Creator: NVD / NIST
Published: 2025-04-18T21:15:44.673+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2025-43903 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.09%

0.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-347

Affected Software

Vendor	Product	Versions
Freedesktop	Poppler	< 25.04.0

References

https://gitlab.freedesktop.org/poppler/poppler/-/commit/f1b9c830f145a0042e853d6462b2f9ca4016c669Patch

Timeline

Published: Apr 18, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-43903?

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

How severe is CVE-2025-43903?

CVE-2025-43903 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43903?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-43903?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST