CVE-2025-2866
Last modified
CVE-2025-2866 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Libreoffice | Libreoffice | >= 24.8.0.1, < 24.8.6.0 | — |
| Libreoffice | Libreoffice | >= 25.2.0.1, < 25.2.2 | — |
| Libreoffice | Libreoffice | 24.8.0.0 | Alpha1 |
| Libreoffice | Libreoffice | 25.2.0.0 | Alpha1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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