PDF signature forgery with adbe.pkcs7.sha1 SubFilter (The Document Foundation LibreOffice)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.12 % · percentile 2 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Document Fdn.
- NVD status
- Modified
Description
Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by Improper Validation. In the affected versions of LibreOffice a flaw in the verification code for adbe.pkcs7.sha1 signatures could cause invalid signatures to be accepted as valid This issue affects LibreOffice: from 24.8 before < 24.8.6, from 25.2 before < 25.2.2.
Weaknesses (CWE)
- CWE-347 — Improper Verification of Cryptographic Signature
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | LOW 2.4 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N | Document Fdn. |
| CVSS 4.0 | LOW 2.4 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · security@documentfoundation.org (Secondary) |
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2025-12434
- GCVE · GCVE-0-2025-2866
CERT-FR advisories
- CERTFR-2025-AVI-0351 — Vulnérabilité dans LibreOffice · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*≥ 24.8.0.1 < 24.8.6.0cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*≥ 25.2.0.1 < 25.2.2cpe:2.3:a:libreoffice:libreoffice:24.8.0.0:alpha1:*:*:*:*:*:*cpe:2.3:a:libreoffice:libreoffice:24.8.0.0:beta1:*:*:*:*:*:*cpe:2.3:a:libreoffice:libreoffice:25.2.0.0:alpha1:*:*:*:*:*:*cpe:2.3:a:libreoffice:libreoffice:25.2.0.0:beta1:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| The Document Foundation · LibreOffice | affected 24.8 < < 24.8.6 ; affected 25.2 < < 25.2.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |