JLSEC-2026-87 Medium 4.3

NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures...

JLSEC Published: Apr 13, 2026
Modified: Apr 13, 2026
Severity: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Affected Packages: Poppler_jll < 25.10.0+0
Aliases / Upstream: GHSA-4w9g-4h2x-7qxq CVE-2025-43903 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.

References

https://gitlab.freedesktop.org/poppler/poppler/-/commit/f1b9c830f145a0042e853d6462b2f9ca4016c669
https://nvd.nist.gov/vuln/detail/CVE-2025-43903
https://github.com/advisories/GHSA-4w9g-4h2x-7qxq