{"id":"CVE-2024-45191","details":"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.","modified":"2026-04-10T05:16:48.189396Z","published":"2024-08-22T16:15:10.120Z","related":["RUSTSEC-2024-0368"],"references":[{"type":"REPORT","url":"https://news.ycombinator.com/item?id=41249371"},{"type":"FIX","url":"https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985"},{"type":"PACKAGE","url":"https://gitlab.matrix.org/matrix-org/olm/"},{"type":"EVIDENCE","url":"https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.matrix.org/matrix-org/olm","events":[{"introduced":"0"},{"last_affected":"7e0c8277032e40308987257b711b38af8d77cc69"},{"fixed":"6d4b5b07887821a95b144091c8497d09d377f985"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.2.16"}]}}],"versions":["0.1.0","1.0.0","1.1.0","1.3.0","2.1.0","2.2.0","2.2.1","2.2.2","2.3.0","3.0.0","3.1.0","3.1.1","3.1.2","3.1.3","3.1.4","3.1.5","3.2.0","3.2.1","3.2.10","3.2.11","3.2.12","3.2.13","3.2.14","3.2.15","3.2.16","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-45191.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}