{"id":"USN-5750-1","summary":"gnutls28 vulnerability","details":"It was discovered that GnuTLS incorrectly handled certain memory\noperations. A remote attacker could possibly use this issue to cause GnuTLS\nto crash, resulting in a denial of service.\n","modified":"2026-02-10T04:42:51Z","published":"2022-11-30T06:06:29Z","related":["UBUNTU-CVE-2021-4209"],"upstream":["CVE-2021-4209","UBUNTU-CVE-2021-4209"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5750-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-4209"}],"affected":[{"package":{"name":"gnutls28","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.4.10-4ubuntu1.9+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.10-4ubuntu1.9+esm1"}]}],"versions":["3.3.15-5ubuntu2","3.3.18-1ubuntu1","3.3.20-1ubuntu1","3.4.9-2ubuntu1","3.4.10-4ubuntu1","3.4.10-4ubuntu1.1","3.4.10-4ubuntu1.2","3.4.10-4ubuntu1.3","3.4.10-4ubuntu1.4","3.4.10-4ubuntu1.5","3.4.10-4ubuntu1.6","3.4.10-4ubuntu1.7","3.4.10-4ubuntu1.8","3.4.10-4ubuntu1.9"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"3.4.10-4ubuntu1.9+esm1","binary_name":"gnutls-bin"},{"binary_version":"3.4.10-4ubuntu1.9+esm1","binary_name":"guile-gnutls"},{"binary_version":"3.4.10-4ubuntu1.9+esm1","binary_name":"libgnutls-dev"},{"binary_version":"3.4.10-4ubuntu1.9+esm1","binary_name":"libgnutls-openssl27"},{"binary_version":"3.4.10-4ubuntu1.9+esm1","binary_name":"libgnutls28-dev"},{"binary_version":"3.4.10-4ubuntu1.9+esm1","binary_name":"libgnutls30"},{"binary_version":"3.4.10-4ubuntu1.9+esm1","binary_name":"libgnutlsxx28"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2021-4209"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5750-1.json"}}],"schema_version":"1.7.3"}