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CVE-2025-2866

PDF signature forgery with adbe.pkcs7.sha1 SubFilter

Published: Apr 27, 2025Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-347
5.5MEDIUM
NVD MITRE
EPSS Score
0.1%
Top 99.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:NI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-347

Affected Products

LibreOfficeThe Document Foundation
On-premDesktop App
Consumer Software / productivity
libreofficelibreoffice
On-premDesktop App
Consumer Software / productivity
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
OpenSUSE LeapNovell Inc.
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
the document foundationoss-projectNLConsumer Softwareaka document foundation, tdf
libreofficeoss-projectFIConsumer Software
red hat inc.commercialUSOperating Systemsaka red hat
novell inc.commercialUSOperating Systems
canonical ltd.commercialGBOperating Systemsaka canonical
and 7 more affected products View all →

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://www.libreoffice.org/about-us/security/advisories/cve-2025-2866
libreoffice.org
https://lists.debian.org/debian-lts-announce/2025/06/msg00002.html
lists.debian.org
https://www.libreoffice.org/about-us/security/advisories/cve-2025-2866&#13;
libreoffice.org
and 11 more references View all →

Timeline

Published
Apr 27, 2025
Last Updated
Nov 3, 2025

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