{"id":"GHSA-4rhq-vq24-88gw","summary":"Uncontrolled Recursion in HTTP2ToRawGRPCServerCodec","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.","aliases":["CVE-2021-36154"],"modified":"2026-05-07T05:03:15.564058535Z","published":"2023-05-22T20:29:44Z","database_specific":{"nvd_published_at":"2021-07-09T12:15:00Z","cwe_ids":["CWE-674"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"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"}],"affected":[{"package":{"name":"github.com/grpc/grpc-swift","ecosystem":"SwiftURL","purl":"pkg:swift/github.com/grpc/grpc-swift"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.2.0"}]}],"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"}}],"schema_version":"1.9.0"}