{"id":"USN-6499-2","summary":"gnutls28 vulnerability","details":"USN-6499-1 fixed vulnerabilities in GnuTLS. This update provides the\ncorresponding update for Ubuntu 18.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that GnuTLS had a timing side-channel when handling\n certain RSA-PSK key exchanges. A remote attacker could possibly use this\n issue to recover sensitive information.\n","modified":"2026-02-10T04:43:26Z","published":"2024-01-08T11:39:13Z","related":["UBUNTU-CVE-2023-5981"],"upstream":["CVE-2023-5981","UBUNTU-CVE-2023-5981"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6499-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-5981"}],"affected":[{"package":{"name":"gnutls28","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.5.18-1ubuntu1.6+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6+esm1"}]}],"versions":["3.5.8-6ubuntu3","3.5.17-1ubuntu1","3.5.17-1ubuntu3","3.5.18-1ubuntu1","3.5.18-1ubuntu1.1","3.5.18-1ubuntu1.2","3.5.18-1ubuntu1.3","3.5.18-1ubuntu1.4","3.5.18-1ubuntu1.5","3.5.18-1ubuntu1.6"],"ecosystem_specific":{"binaries":[{"binary_name":"gnutls-bin","binary_version":"3.5.18-1ubuntu1.6+esm1"},{"binary_name":"libgnutls-dane0","binary_version":"3.5.18-1ubuntu1.6+esm1"},{"binary_name":"libgnutls-openssl27","binary_version":"3.5.18-1ubuntu1.6+esm1"},{"binary_name":"libgnutls28-dev","binary_version":"3.5.18-1ubuntu1.6+esm1"},{"binary_name":"libgnutls30","binary_version":"3.5.18-1ubuntu1.6+esm1"},{"binary_name":"libgnutlsxx28","binary_version":"3.5.18-1ubuntu1.6+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6499-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2023-5981","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"}]}]}}}],"schema_version":"1.7.3"}