{"id":"BIT-envoy-2021-29258","details":"An issue was discovered in Envoy 1.14.0. There is a remotely exploitable crash for HTTP2 Metadata, because an empty METADATA map triggers a Reachable Assertion.","aliases":["CVE-2021-29258"],"modified":"2026-09-08T08:47:27.440789739Z","published":"2024-03-06T10:58:52.386Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:envoyproxy:envoy:1.14.6:*:*:*:*:*:*:*","cpe:2.3:a:envoyproxy:envoy:1.15.3:*:*:*:*:*:*:*","cpe:2.3:a:envoyproxy:envoy:1.16.2:*:*:*:*:*:*:*","cpe:2.3:a:envoyproxy:envoy:1.17.1:*:*:*:*:*:*:*","cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://blog.envoyproxy.io"},{"type":"WEB","url":"https://github.com/envoyproxy/envoy-setec/pull/230"},{"type":"ADVISORY","url":"https://github.com/envoyproxy/envoy/releases/tag/v1.14.0"},{"type":"ADVISORY","url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-rqvq-hxw5-776j"},{"type":"ADVISORY","url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29258"}],"affected":[{"package":{"name":"envoy","ecosystem":"Bitnami","purl":"pkg:bitnami/envoy"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.14.6"},{"fixed":"1.14.7"},{"introduced":"1.15.3"},{"fixed":"1.15.4"},{"introduced":"1.16.2"},{"fixed":"1.16.3"},{"introduced":"1.17.1"},{"fixed":"1.17.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/envoy/BIT-envoy-2021-29258.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}