CVE-2024-45193

Name: CVE-2024-45193
Creator: NVD / NIST
Published: 2024-08-22T16:15:10.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2024-45193 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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). EPSS estimates a 0.28% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.28%

20.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-327

Affected Software

Vendor	Product	Versions
Matrix	Olm	<= 3.2.16

References

Timeline

Published: Aug 22, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-45193?

How severe is CVE-2024-45193?

CVE-2024-45193 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2024-45193?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-45193?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST