CVE-2025-43903

poppler: SignatureValue not checked within SignerInfo

Published Apr 18, 2025 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4709-1 poppler security update
EUVD EUVD EUVD-2025-11892 NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.
Ubuntu USN Ubuntu USN USN-7471-1 poppler vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title poppler: SignatureValue not checked within SignerInfo
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Description NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.
Weaknesses CWE-347
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Apr 21, 2025, 2:51 AM
Reserved
Apr 18, 2025, 12:00 AM
Status
Analyzed
Published
Apr 18, 2025, 9:15 PM
Modified
Jun 17, 2026, 9:24 AM
Severity
Moderate
Public date
Apr 18, 2025, 12:00 AM