{"id":"CVE-2025-24904","summary":"libsignal-service-rs doesn't sanity check plaintext envelopes are not sanity-checked","details":"libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, plaintext content envelopes could be injected by a server or a malicious client, and may have been able to bypass the end-to-end encryption and authentication. The vulnerability is fixed per 82d70f6720e762898f34ae76b0894b0297d9b2f8. The `Metadata` struct contains an additional `was_encrypted` field, which breaks the API, but should be easily resolvable. No known workarounds are available.","aliases":["GHSA-hrrc-wpfw-5hj2"],"modified":"2026-08-12T03:51:41.450436366Z","published":"2025-02-13T15:24:20.246Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/24xxx/CVE-2025-24904.json","unresolved_ranges":[{"extracted_events":[{"fixed":"82d70f6720e762898f34ae76b0894b0297d9b2f8"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"GitHub_M","cwe_ids":["CWE-287","CWE-74"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/24xxx/CVE-2025-24904.json"},{"type":"ADVISORY","url":"https://github.com/whisperfish/libsignal-service-rs/security/advisories/GHSA-hrrc-wpfw-5hj2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-24904"},{"type":"FIX","url":"https://github.com/whisperfish/libsignal-service-rs/commit/82d70f6720e762898f34ae76b0894b0297d9b2f8"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/whisperfish/libsignal-service-rs","events":[{"introduced":"0"},{"fixed":"82d70f6720e762898f34ae76b0894b0297d9b2f8"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-24904.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N"}]}