{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54638", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T20:07:02.186Z", "datePublished": "2026-07-28T22:14:53.550Z", "dateUpdated": "2026-07-28T22:14:53.550Z"}, "containers": {"cna": {"title": "td has pre-auth denial of service via unbounded memory allocation in proto.UnencryptedMessage.Decode", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-789", "lang": "en", "description": "CWE-789: Memory Allocation with Excessive Size Value", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/gotd/td/security/advisories/GHSA-whmm-qj9r-wvr2", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gotd/td/security/advisories/GHSA-whmm-qj9r-wvr2"}, {"name": "https://github.com/gotd/td/issues/1711", "tags": ["x_refsource_MISC"], "url": "https://github.com/gotd/td/issues/1711"}, {"name": "https://github.com/gotd/td/commit/9d5d1f31ea5022d9798d84ccce15de2e91ba6baa", "tags": ["x_refsource_MISC"], "url": "https://github.com/gotd/td/commit/9d5d1f31ea5022d9798d84ccce15de2e91ba6baa"}, {"name": "https://github.com/gotd/td/releases/tag/v0.145.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/gotd/td/releases/tag/v0.145.1"}], "affected": [{"vendor": "gotd", "product": "td", "versions": [{"version": "< 0.145.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-28T22:14:53.550Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-whmm-qj9r-wvr2", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}