{"id":"USN-6499-1","summary":"gnutls28 vulnerability","details":"It was discovered that GnuTLS had a timing side-channel when handling\ncertain RSA-PSK key exchanges. A remote attacker could possibly use this\nissue to recover sensitive information.\n","modified":"2026-04-22T10:41:38.133211Z","published":"2023-11-21T15:29:41Z","related":["UBUNTU-CVE-2023-5981"],"upstream":["CVE-2023-5981","UBUNTU-CVE-2023-5981"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6499-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-5981"}],"affected":[{"package":{"name":"gnutls28","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.6.13-2ubuntu1.9?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.9"}]}],"versions":["3.6.9-5ubuntu1","3.6.9-5ubuntu2","3.6.10-5","3.6.11.1-2","3.6.11.1-2ubuntu2","3.6.13-2ubuntu1","3.6.13-2ubuntu1.1","3.6.13-2ubuntu1.2","3.6.13-2ubuntu1.3","3.6.13-2ubuntu1.6","3.6.13-2ubuntu1.7","3.6.13-2ubuntu1.8"],"ecosystem_specific":{"binaries":[{"binary_version":"3.6.13-2ubuntu1.9","binary_name":"gnutls-bin"},{"binary_version":"3.6.13-2ubuntu1.9","binary_name":"guile-gnutls"},{"binary_version":"3.6.13-2ubuntu1.9","binary_name":"libgnutls-dane0"},{"binary_version":"3.6.13-2ubuntu1.9","binary_name":"libgnutls-openssl27"},{"binary_version":"3.6.13-2ubuntu1.9","binary_name":"libgnutls30"},{"binary_version":"3.6.13-2ubuntu1.9","binary_name":"libgnutlsxx28"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6499-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-5981"}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"gnutls28","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.7.3-4ubuntu1.3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-4ubuntu1.3"}]}],"versions":["3.7.1-5ubuntu1","3.7.2-2ubuntu1","3.7.2-4ubuntu1","3.7.2-5ubuntu1","3.7.3-4ubuntu1","3.7.3-4ubuntu1.1","3.7.3-4ubuntu1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.7.3-4ubuntu1.3","binary_name":"gnutls-bin"},{"binary_version":"3.7.3-4ubuntu1.3","binary_name":"guile-gnutls"},{"binary_version":"3.7.3-4ubuntu1.3","binary_name":"libgnutls-dane0"},{"binary_version":"3.7.3-4ubuntu1.3","binary_name":"libgnutls-openssl27"},{"binary_version":"3.7.3-4ubuntu1.3","binary_name":"libgnutls30"},{"binary_version":"3.7.3-4ubuntu1.3","binary_name":"libgnutlsxx28"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6499-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-5981"}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.5"}