{"id":"CVE-2023-32732","details":"gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in  https://github.com/grpc/grpc/pull/32309 https://www.google.com/url","aliases":["GHSA-9hxf-ppjv-w6rq"],"modified":"2026-04-02T09:00:54.284984Z","published":"2023-06-09T11:15:09.377Z","related":["CGA-9whx-98qm-q5pf","SUSE-SU-2024:0573-1","openSUSE-SU-2024:13621-1","openSUSE-SU-2024:13634-1"],"references":[{"type":"FIX","url":"https://github.com/grpc/grpc/pull/32309"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/"},{"type":"ARTICLE","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/grpc/grpc","events":[{"introduced":"0"},{"fixed":"358bfb581feeda5bf17dd3b96da1074d84a6ef8d"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.53.0"}]}}],"versions":["1.33.1","objective-c-v1.0.0-pre1","objective-c-v1.0.2","release-0_10","release-0_10_0","release-0_10_0-objectivec-0.6.0","release-0_10_1","release-0_10_1-node-0.10.1","release-0_10_2","release-0_11","release-0_11_0","release-0_11_1","release-0_11_1-objectivec-0.11.1","release-0_12","release-0_12_0","release-0_12_0-objectivec-0.12.0","release-0_13","release-0_13_0","release-0_13_0-objectivec-0.13.0","release-0_13_1","release-0_14","release-0_14_0","release-0_14_0-objective-c-0.14.0","release-0_14_0-objectivec-0.14.0","release-0_14_1","release-0_15","release-0_15_0","release-0_15_1","release-0_5","release-0_5_0","release-0_6","release-0_6_0","release-0_9","release-0_9_0","release-0_9_1","release-0_9_1-node-0.9.2","release-0_9_1-objectivec-0.5.1","release_test","v0.15.0","v0.15.2","v1.0.0","v1.0.0-pre2","v1.0.1","v1.0.1-pre1","v1.1.0","v1.1.0-pre1","v1.1.1","v1.1.2","v1.1.3","v1.1.4","v1.10.0","v1.10.0-pre1","v1.10.0-pre2","v1.10.1","v1.10.1-pre1","v1.11.0","v1.11.0-pre1","v1.11.0-pre2","v1.11.1","v1.11.1-pre1","v1.12.0","v1.12.0-pre1","v1.12.1","v1.13.0","v1.13.0-pre1","v1.13.0-pre2","v1.13.0-pre3","v1.13.1","v1.14.0","v1.14.0-pre1","v1.14.0-pre2","v1.14.1","v1.14.2","v1.14.2-pre1","v1.15.0","v1.15.0-pre1","v1.15.1","v1.16.0","v1.16.0-pre1","v1.16.1","v1.16.1-pre1","v1.17.0","v1.17.0-pre1","v1.17.0-pre2","v1.17.0-pre3","v1.17.1","v1.17.1-pre1","v1.17.2","v1.18.0","v1.18.0-pre1","v1.19.0","v1.19.0-pre1","v1.19.1","v1.2.0","v1.2.0-pre2","v1.2.1","v1.2.2","v1.2.3","v1.2.4","v1.2.5","v1.20.0","v1.20.0-pre1","v1.20.0-pre2","v1.20.0-pre3","v1.20.1","v1.21.0","v1.21.0-pre1","v1.21.1","v1.21.2","v1.21.3","v1.21.3-pre1","v1.21.4","v1.21.4-pre1","v1.22.0","v1.22.0-pre1","v1.22.1","v1.23.0","v1.23.0-pre1","v1.23.1","v1.24.0","v1.24.0-pre1","v1.24.0-pre2","v1.24.1","v1.24.2","v1.24.3","v1.25.0","v1.25.0-pre1","v1.26.0","v1.26.0-pre1","v1.27.0","v1.27.0-pre1","v1.27.0-pre2","v1.27.1","v1.27.2","v1.27.3","v1.28.0","v1.28.0-pre1","v1.28.0-pre2","v1.28.0-pre3","v1.28.1","v1.28.2","v1.29.0","v1.29.1","v1.3.0","v1.3.1","v1.3.2","v1.3.3","v1.3.4","v1.3.5","v1.3.6","v1.3.7","v1.3.9","v1.30.0","v1.30.0-pre1","v1.30.1","v1.30.2","v1.31.0","v1.31.0-pre1","v1.31.0-pre2","v1.31.1","v1.32.0","v1.32.0-pre1","v1.33.0","v1.33.0-pre1","v1.33.0-pre2","v1.33.1","v1.33.2","v1.34.0","v1.34.0-pre1","v1.34.1","v1.35.0","v1.35.0-pre1","v1.36.0","v1.36.0-pre1","v1.36.1","v1.36.2","v1.36.3","v1.36.4","v1.37.0","v1.37.0-pre1","v1.37.1","v1.38.0","v1.38.0-pre1","v1.38.1","v1.39.0","v1.39.0-pre1","v1.39.1","v1.4.0","v1.4.0-pre1","v1.4.1","v1.4.2","v1.4.3","v1.4.4","v1.4.5","v1.4.6","v1.4.7","v1.40.0","v1.40.0-pre1","v1.41.0","v1.41.0-pre1","v1.41.0-pre2","v1.41.1","v1.42.0","v1.42.0-pre1","v1.43.0","v1.43.0-pre1","v1.43.2","v1.44.0","v1.44.0-pre1","v1.44.0-pre2","v1.44.1","v1.45.0","v1.45.0-pre1","v1.45.1","v1.45.2","v1.45.3","v1.46.0","v1.46.0-pre1","v1.46.0-pre2","v1.46.1","v1.46.2","v1.46.3","v1.46.4","v1.46.5","v1.46.6","v1.46.7","v1.47.0","v1.47.0-pre1","v1.47.1","v1.47.2","v1.47.3","v1.47.4","v1.47.5","v1.48.0","v1.48.0-pre1","v1.48.1","v1.48.2","v1.48.3","v1.48.4","v1.49.0","v1.49.0-pre1","v1.49.0-pre2","v1.49.0-pre3","v1.49.1","v1.49.2","v1.49.3","v1.49.4","v1.50.0","v1.50.0-pre1","v1.50.1","v1.50.2","v1.51.0","v1.51.0-pre1","v1.51.1","v1.51.2","v1.51.3","v1.52.0","v1.52.0-pre1","v1.52.0-pre2","v1.52.1","v1.52.2","v1.53.0-pre1","v1.53.0-pre2","v1.54.0","v1.54.0-pre1","v1.54.0-pre2","v1.54.1","v1.54.2","v1.54.3","v1.55.0","v1.55.0-pre1","v1.55.0-pre2","v1.55.1","v1.55.3","v1.55.4","v1.56.0","v1.56.0-pre1","v1.56.0-pre2","v1.56.0-pre3","v1.56.1","v1.56.1-pre1","v1.56.2","v1.56.3","v1.56.4","v1.57.0","v1.57.0-pre1","v1.57.1","v1.58.0","v1.58.0-pre1","v1.58.1","v1.58.2","v1.58.3","v1.59.0","v1.59.0-pre1","v1.59.0-pre2","v1.59.1","v1.59.2","v1.59.3","v1.59.4","v1.59.5","v1.6.0","v1.6.0-pre1","v1.6.1","v1.6.2","v1.6.3","v1.6.4","v1.6.5","v1.6.6","v1.6.7","v1.60.0","v1.60.0-pre1","v1.60.1","v1.60.2","v1.61.0","v1.61.0-pre1","v1.61.0-pre2","v1.61.0-pre3","v1.61.1","v1.61.2","v1.61.3","v1.62.0","v1.62.0-pre1","v1.62.1","v1.62.2","v1.62.3","v1.63.0","v1.63.0-pre1","v1.63.0-pre2","v1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