An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00194.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Matrix
  • Olm

Configuration 1 [-]

cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://gitlab.matrix.org/matrix-org/olm/ cve-icon cve-icon
https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985 cve-icon cve-icon
https://news.ycombinator.com/item?id=41249371 cve-icon cve-icon
https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/ cve-icon cve-icon
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00124}

 epss

{'score': 0.00134}

Tue, 10 Sep 2024 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

 cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Sun, 01 Sep 2024 19:30:00 +0000

Type Values Removed Values Added
Description An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Wed, 28 Aug 2024 19:00:00 +0000

Type Values Removed Values Added
Description An issue was discovered in Matrix libolm (aka Olm) through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Thu, 22 Aug 2024 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Matrix
Matrix olm
Weaknesses CWE-385
CPEs cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*
Vendors & Products Matrix
Matrix olm
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 22 Aug 2024 15:30:00 +0000

Type Values Removed Values Added
Description An issue was discovered in Matrix libolm (aka Olm) through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-09-10T18:26:13.304Z

Reserved: 2024-08-22T00:00:00

Link: CVE-2024-45192

cve-icon Vulnrichment

Updated: 2024-08-22T18:23:51.361Z

cve-icon NVD

Status : Analyzed

Published: 2024-08-22T16:15:10.237

Modified: 2025-06-17T19:55:30.917

Link: CVE-2024-45192

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.