{"id":"CVE-2020-11653","details":"An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.","modified":"2026-03-12T23:42:24.274606Z","published":"2020-04-08T23:15:12.730Z","related":["openSUSE-SU-2020:0808-1","openSUSE-SU-2020:0819-1"],"references":[{"type":"ADVISORY","url":"https://varnish-cache.org/security/VSV00005.html#vsv00005"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00036.html"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"6.1.0"},{"fixed":"6.2.3"}]},{"events":[{"introduced":"6.3.0"},{"fixed":"6.3.2"}]},{"events":[{"introduced":"6.0.0"},{"fixed":"6.0.6"}]},{"events":[{"introduced":"0"},{"last_affected":"15.0-sp1"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-11653.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"}]}