CVE-2025-2866 (GCVE-0-2025-2866)

Vulnerability from cvelistv5 – Published: 2025-04-27 19:04 – Updated: 2025-11-03 19:46
VLAI?
Title
PDF signature forgery with adbe.pkcs7.sha1 SubFilter
Summary
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.
Severity ?
2.4 (Low)
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
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
The Document Foundation LibreOffice Affected: 24.8 , < < 24.8.6 (24.8 series)
Affected: 25.2 , < < 25.2.2 (25.2 series)
Create a notification for this product.
Credits
Thanks to Juraj Šarinay for discovering this issue and for providing a fix
Show details on NVD website
To clipboard 

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Author Source Type Date

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.