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CVE-2024-45193

Published: Aug 22, 2024Updated: Jun 17, 2025 Sources: CVE List NVDCWE-327
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
0.3%
Top 80.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-327

Affected Products

n/an/a
olmmatrix
Mixed
Communications / messaging-chat
matrixoss-projectGBCommunicationsaka synapse, matrix irc bridge, javascript sdk

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/
soatok.blog
https://gitlab.matrix.org/matrix-org/olm/
gitlab.matrix.org
https://news.ycombinator.com/item?id=41249371
news.ycombinator.com
and 1 more references View all →

Timeline

Published
Aug 22, 2024
Last Updated
Jun 17, 2025

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