{"id":"CLSA-2023-1689701258","summary":"Fix CVE(s): CVE-2021-20230","details":"\n   * SECURITY UPDATE: Attacker bypasses redirection using unauthorized\n     CA-signed certificate.\n     - debian/patches/CVE-2021-20230.patch: Patch enhancing certificate\n       verification process to prevent unauthorized redirection with\n       CA-signed certificates by refining session data checks.\n     - CVE-2021-20230\n   * Fix tests:\n     - debian/patches/renew-cert-script.patch: Add script that\n       re-generate expired test certs.\n   * Repacked orig source tarball with renewed certs.\n   * Removed no longer required patch, that mute tests with expired certificates.","modified":"2026-06-04T09:47:05.771764408Z","published":"2023-07-18T17:27:43Z","upstream":["CVE-2021-20230"],"references":[{"type":"ADVISORY","url":"https://errata.cloudlinux.com/ubuntu18_04-els/CLSA-2023-1689701258"}],"affected":[{"package":{"name":"stunnel4","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/stunnel4?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3:5.44-1ubuntu3+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2023-1689701258.json"}}],"schema_version":"1.7.5"}