{"affected":[{"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/05/GHSA-4rhq-vq24-88gw/GHSA-4rhq-vq24-88gw.json"},"package":{"ecosystem":"SwiftURL","name":"github.com/grpc/grpc-swift","purl":"pkg:swift/github.com/grpc/grpc-swift"},"ranges":[{"events":[{"introduced":"0"},{"fixed":"1.2.0"}],"type":"SEMVER"}]}],"aliases":["CVE-2021-36154"],"database_specific":{"cwe_ids":["CWE-674"],"github_reviewed":true,"github_reviewed_at":"2023-05-22T20:29:44Z","nvd_published_at":"2021-07-09T12:15:00Z","severity":"MODERATE"},"details":"### Impact\n\nAffected gRPC Swift servers are vulnerable to uncontrolled recursion and stack consumption when parsing certain payloads. This may lead to a denial of service.\n\n### Patches\n\nThe problem has been fixed in 1.2.0.\n\n### Workarounds\n\nNo workaround is available. Users must upgrade.","id":"GHSA-4rhq-vq24-88gw","modified":"2026-07-08T06:27:56.395966732Z","published":"2023-05-22T20:29:44Z","references":[{"type":"WEB","url":"https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36154"},{"type":"WEB","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274"},{"type":"PACKAGE","url":"https://github.com/grpc/grpc-swift"},{"type":"WEB","url":"https://github.com/grpc/grpc-swift/releases/tag/1.2.0"}],"schema_version":"1.9.0","summary":"Uncontrolled Recursion in HTTP2ToRawGRPCServerCodec"}