{"id":"CVE-2026-54638","revision":"bd81247584374a24b8d20c9cad97f6f3","records":[{"revision":"bd81247584374a24b8d20c9cad97f6f3","observedAt":"2026-10-25T13:17:28.253+00:00","statement":{"source":"nvd","id":"CVE-2026-54638","aliases":[],"title":"gotd/td is a T Telegram MTProto API client in Go. Prior to 0.145.1, proto.UnencryptedMessage.Decode in proto/unencrypted_message.go read attacker controlled dataLen from an unauthenticated MTProto unencrypted packet and allocated make([]byt…","description":"gotd/td is a T Telegram MTProto API client in Go. Prior to 0.145.1, proto.UnencryptedMessage.Decode in proto/unencrypted_message.go read attacker controlled dataLen from an unauthenticated MTProto unencrypted packet and allocated make([]byte, dataLen) before checking the remaining buffer, allowing remote unauthenticated denial of service through excessive memory allocation and CPU or garbage collection pressure. This issue is fixed in version 0.145.1.","state":0,"publishedAt":"2026-07-28T23:17:08.617+00:00","modifiedAt":"2026-10-23T23:10:00.157+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/gotd/td/commit/9d5d1f31ea5022d9798d84ccce15de2e91ba6baa","https://github.com/gotd/td/issues/1711","https://github.com/gotd/td/releases/tag/v0.145.1","https://github.com/gotd/td/security/advisories/GHSA-whmm-qj9r-wvr2"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-54638","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-770","CWE-789"],"productCriteria":[],"sourceDates":{"published":"2026-07-28T23:17:08.617","lastModified":"2026-10-23T23:10:00.157"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-54638","identifiers":["CVE-2026-54638"]},"retained":false,"historicalAffected":[]}],"coverage":[]}