CVE-2025-43903
lowpriority · track · 13EPSS 0.001 · 1 %ileDEEURUUSEPSS · scored 2026-10-28
NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–4.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (27)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0934poppler: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-05-04csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in poppler ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/f1b9c830f145a0042e853d6462b2f9ca4016c669cnnvd
- https://poppler.freedesktop.org/Patchcnnvd
- https://vigilance.fr/vulnerability/Poppler-weak-signature-via-NSSCryptoSignBackend-cc-46997cnnvd
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/f1b9c830f145a0042e853d6462b2f9ca4016c669enisa_euvd
- https://gitlab.freedesktop.org/poppler/poppler/-/commit/f1b9c830f145a0042e853d6462b2f9ca4016c669Patchnvd
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