{"id":"UBUNTU-CVE-2026-55868","details":"[Encryption State Machine Downgrade]","modified":"2026-09-15T20:16:39.301602718Z","published":"2026-07-22T00:00:00Z","related":["USN-8764-1"],"upstream":["CVE-2026-55868"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-55868"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-55868"},{"type":"REPORT","url":"https://github.com/Haivision/srt/security/advisories/GHSA-4mc6-qmpp-g7gw"},{"type":"REPORT","url":"https://github.com/Haivision/srt/pull/3345"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8764-1"}],"affected":[{"package":{"name":"srt","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/srt?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.0-1ubuntu0.1~esm1"}]}],"versions":["1.3.2-1","1.4.0-1","1.4.0-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libsrt1","binary_version":"1.4.0-1ubuntu0.1~esm1"},{"binary_version":"1.4.0-1ubuntu0.1~esm1","binary_name":"srt-tools"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json"}},{"package":{"name":"srt","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/srt?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4-4ubuntu0.1~esm1"}]}],"versions":["1.4.2-1.4","1.4.2-1.4ubuntu1","1.4.4-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libsrt1.4-gnutls","binary_version":"1.4.4-4ubuntu0.1~esm1"},{"binary_name":"libsrt1.4-openssl","binary_version":"1.4.4-4ubuntu0.1~esm1"},{"binary_version":"1.4.4-4ubuntu0.1~esm1","binary_name":"srt-tools"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json"}},{"package":{"name":"srt","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/srt?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3-1ubuntu0.1~esm1"}]}],"versions":["1.5.2-1","1.5.3-1","1.5.3-1build1","1.5.3-1build2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libsrt1.5-gnutls","binary_version":"1.5.3-1ubuntu0.1~esm1"},{"binary_name":"libsrt1.5-openssl","binary_version":"1.5.3-1ubuntu0.1~esm1"},{"binary_version":"1.5.3-1ubuntu0.1~esm1","binary_name":"srt-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json"}},{"package":{"name":"srt","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/srt?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.4-3ubuntu0.1~esm1"}]}],"versions":["1.5.4-1","1.5.4-3"],"ecosystem_specific":{"binaries":[{"binary_name":"libsrt1.5-gnutls","binary_version":"1.5.4-3ubuntu0.1~esm1"},{"binary_name":"libsrt1.5-openssl","binary_version":"1.5.4-3ubuntu0.1~esm1"},{"binary_name":"srt-tools","binary_version":"1.5.4-3ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55868.json"}}],"schema_version":"1.9.0","severity":[{"type":"Ubuntu","score":"medium"}]}