CVE-2024-45191
mediumpriority · track · 0EPSS 0.005 · 39 %ileEUUSEPSS · scored 2026-10-28
An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2024-45191/cnnvd
- https://gitlab.matrix.org/matrix-org/olm/cnnvd
- https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985cnnvd
- https://news.ycombinator.com/item?id=41249371cnnvd
- https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/cnnvd
- https://gitlab.matrix.org/matrix-org/olm/enisa_euvd
- https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985enisa_euvd
- https://news.ycombinator.com/item?id=41249371enisa_euvd
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