{"id":"UBUNTU-CVE-2021-34825","details":"Quassel through 0.13.1, when --require-ssl is enabled, launches without SSL or TLS support if a usable X.509 certificate is not found on the local system.","modified":"2026-05-20T16:05:03.850488810Z","published":"2021-06-17T14:15:00Z","upstream":["CVE-2021-34825"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-34825"},{"type":"REPORT","url":"https://github.com/quassel/quassel/pull/581"},{"type":"REPORT","url":"https://bugs.quassel-irc.org/issues/1728"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-34825"}],"affected":[{"package":{"name":"quassel","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/quassel?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.12.2-0ubuntu1","0.12.2-0ubuntu1.16.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"quassel","binary_version":"0.12.2-0ubuntu1.16.04.2"},{"binary_name":"quassel-client","binary_version":"0.12.2-0ubuntu1.16.04.2"},{"binary_name":"quassel-client-qt4","binary_version":"0.12.2-0ubuntu1.16.04.2"},{"binary_name":"quassel-core","binary_version":"0.12.2-0ubuntu1.16.04.2"},{"binary_version":"0.12.2-0ubuntu1.16.04.2","binary_name":"quassel-data"},{"binary_version":"0.12.2-0ubuntu1.16.04.2","binary_name":"quassel-qt4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34825.json"}},{"package":{"name":"quassel","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/quassel?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.12.4-2ubuntu2","1:0.12.4-2ubuntu3","1:0.12.4-3ubuntu1","1:0.12.4-3ubuntu1.18.04.1","1:0.12.4-3ubuntu1.18.04.2","1:0.12.4-3ubuntu1.18.04.3"],"ecosystem_specific":{"binaries":[{"binary_name":"quassel","binary_version":"1:0.12.4-3ubuntu1.18.04.3"},{"binary_name":"quassel-client","binary_version":"1:0.12.4-3ubuntu1.18.04.3"},{"binary_version":"1:0.12.4-3ubuntu1.18.04.3","binary_name":"quassel-core"},{"binary_version":"1:0.12.4-3ubuntu1.18.04.3","binary_name":"quassel-data"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34825.json"}},{"package":{"name":"quassel","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/quassel?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.13.1-1ubuntu1","1:0.13.1-2ubuntu1","1:0.13.1-3ubuntu1","1:0.13.1-3ubuntu2","1:0.13.1-3ubuntu2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.13.1-3ubuntu2.1","binary_name":"quassel"},{"binary_version":"1:0.13.1-3ubuntu2.1","binary_name":"quassel-client"},{"binary_name":"quassel-core","binary_version":"1:0.13.1-3ubuntu2.1"},{"binary_name":"quassel-data","binary_version":"1:0.13.1-3ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34825.json"}},{"package":{"name":"quassel","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/quassel?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.13.1-3ubuntu3","1:0.13.1-5ubuntu1","1:0.14.0-1","1:0.14.0-1build1","1:0.14.0-1ubuntu0.22.04.1","1:0.14.0-1ubuntu0.22.04.4"],"ecosystem_specific":{"binaries":[{"binary_name":"quassel","binary_version":"1:0.14.0-1ubuntu0.22.04.4"},{"binary_version":"1:0.14.0-1ubuntu0.22.04.4","binary_name":"quassel-client"},{"binary_version":"1:0.14.0-1ubuntu0.22.04.4","binary_name":"quassel-core"},{"binary_name":"quassel-data","binary_version":"1:0.14.0-1ubuntu0.22.04.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34825.json"}},{"package":{"name":"quassel","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/quassel?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.14.0-2ubuntu1","1:0.14.0-2ubuntu2","1:0.14.0-2ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"quassel","binary_version":"1:0.14.0-2ubuntu3"},{"binary_version":"1:0.14.0-2ubuntu3","binary_name":"quassel-client"},{"binary_name":"quassel-core","binary_version":"1:0.14.0-2ubuntu3"},{"binary_name":"quassel-data","binary_version":"1:0.14.0-2ubuntu3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34825.json"}},{"package":{"name":"quassel","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/quassel?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.14.0-2ubuntu4","1:0.14.0-3ubuntu1","1:0.14.0-3ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.14.0-3ubuntu2","binary_name":"quassel"},{"binary_version":"1:0.14.0-3ubuntu2","binary_name":"quassel-client"},{"binary_version":"1:0.14.0-3ubuntu2","binary_name":"quassel-core"},{"binary_name":"quassel-data","binary_version":"1:0.14.0-3ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-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