{"id":"EUVD-2025-17711","revision":"fa40a533c53f4c87ac491a59ce20751f","records":[{"revision":"fa40a533c53f4c87ac491a59ce20751f","observedAt":"2026-11-05T01:54:57.131+00:00","statement":{"source":"euvd","id":"EUVD-2025-17711","aliases":["CVE-2025-48937","GHSA-x958-rvg6-956w"],"title":"matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly validate the sender of an encrypted event. Accordingly, a malicious homeserver operato…","description":"matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly validate the sender of an encrypted event. Accordingly, a malicious homeserver operator can modify events served to clients, making those events appear to the recipient as if they were sent by another user. This vulnerability is fixed in 0.11.1 and 0.12.0.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","score":4.9,"severity":null}],"references":["https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-x958-rvg6-956w","https://github.com/matrix-org/matrix-rust-sdk/commit/13c1d2048286bbabf5e7bc6b015aafee98f04d55","https://github.com/matrix-org/matrix-rust-sdk/commit/56980745b4f27f7dc72ac296e6aa003e5d92a75b","https://spec.matrix.org/v1.14/client-server-api/#mmegolmv1aes-sha2"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-17711","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jun 10, 2025, 3:32:00 PM","dateUpdated":"Jun 10, 2025, 3:46:22 PM"},"relatedAdvisories":[{"id":"openSUSE-SU-2025:15218-1","title":"fractal-11.2-1.1 on GA media","vulnerabilityIds":["CVE-2025-48937"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2025-17711","identifiers":["EUVD-2025-17711","CVE-2025-48937","GHSA-x958-rvg6-956w"]},"retained":false,"historicalAffected":[]}],"coverage":[]}