{"id":"CVE-2021-36155","details":"LengthPrefixedMessageReader in gRPC Swift 1.1.0 and earlier allocates buffers of arbitrary length, which allows remote attackers to cause uncontrolled resource consumption and deny service.","aliases":["GHSA-rxmj-hg9v-vp3p"],"modified":"2026-04-12T00:39:30.192491Z","published":"2021-07-09T12:15:08.127Z","related":["GHSA-rxmj-hg9v-vp3p"],"references":[{"type":"ADVISORY","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35303"},{"type":"ADVISORY","url":"https://github.com/grpc/grpc-swift/releases"},{"type":"ADVISORY","url":"https://github.com/grpc/grpc-swift/security/advisories/GHSA-rxmj-hg9v-vp3p"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/grpc/grpc-swift","events":[{"introduced":"0"},{"last_affected":"9e464a75079928366aa7041769a271fac89271bf"},{"last_affected":"f258d1cd8e8fcc97ebfaaf397e569be3d3fa91d6"},{"last_affected":"276f09147d914b6463f3ccdd39f51f7e0dd15aaa"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.0.0"},{"last_affected":"1.1.0"},{"last_affected":"1.1.1"}],"source":"CPE_FIELD","cpe":["cpe:2.3:a:linuxfoundation:grpc_swift:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:linuxfoundation:grpc_swift:1.1.0:*:*:*:*:*:*:*","cpe:2.3:a:linuxfoundation:grpc_swift:1.1.1:*:*:*:*:*:*:*"]}}],"versions":["0.1.0","0.1.1","0.1.10","0.1.11","0.1.12","0.1.13","0.1.2","0.1.3","0.1.4","0.1.5","0.1.6","0.1.7","0.1.8","0.1.9","0.2.0","0.2.1","0.2.2","0.2.3","0.2.4","0.2.5","0.3.0","0.3.1","0.3.2","0.3.3","0.4.0","0.4.1","0.4.2","0.4.3","0.5.0","0.5.1","0.6.0","0.7.0","0.8.0","1.0.0","1.0.0-alpha.1","1.0.0-alpha.10","1.0.0-alpha.11","1.0.0-alpha.12","1.0.0-alpha.13","1.0.0-alpha.14","1.0.0-alpha.15","1.0.0-alpha.16","1.0.0-alpha.17","1.0.0-alpha.18","1.0.0-alpha.19","1.0.0-alpha.2","1.0.0-alpha.20","1.0.0-alpha.21","1.0.0-alpha.22","1.0.0-alpha.23","1.0.0-alpha.24","1.0.0-alpha.3","1.0.0-alpha.4","1.0.0-alpha.5","1.0.0-alpha.6","1.0.0-alpha.7","1.0.0-alpha.8","1.0.0-alpha.9","1.1.0","1.1.1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-36155.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}