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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 98.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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
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Weaknesses

CWE-347

Affected Products

Novell Inc.
commercial·US
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsOn-premOS
Operating Systems / linux-distro
Suse Linux Enterprise DesktopOn-premOS
Operating Systems / linux-distro
The Document Foundation
oss-project·NLaka document foundation, tdf
LibreOfficeOn-premDesktop App
Consumer Software / productivity
libreoffice
oss-project·FI
libreofficeOn-premDesktop App
Consumer Software / productivity
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
and 4 more affected products View all →

Exploitability

Official Patch Available
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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 →

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