{"id":"USN-5550-1","summary":"gnutls28 vulnerabilities","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. This issue only affected Ubuntu\n18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-4209)\n\nIt was discovered that GnuTLS incorrectly handled the verification of\ncertain pkcs7 signatures. A remote attacker could use this issue to cause\nGnuTLS to crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2022-2509)\n","modified":"2026-02-10T04:42:43Z","published":"2022-08-04T16:07:06Z","related":["UBUNTU-CVE-2021-4209","UBUNTU-CVE-2022-2509"],"upstream":["CVE-2021-4209","CVE-2022-2509","UBUNTU-CVE-2021-4209","UBUNTU-CVE-2022-2509"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5550-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-4209"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-2509"}],"affected":[{"package":{"name":"gnutls28","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.5.18-1ubuntu1.6?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.6"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"3.5.18-1ubuntu1.6","binary_name":"gnutls-bin"},{"binary_version":"3.5.18-1ubuntu1.6","binary_name":"libgnutls-dane0"},{"binary_version":"3.5.18-1ubuntu1.6","binary_name":"libgnutls-openssl27"},{"binary_version":"3.5.18-1ubuntu1.6","binary_name":"libgnutls28-dev"},{"binary_version":"3.5.18-1ubuntu1.6","binary_name":"libgnutls30"},{"binary_version":"3.5.18-1ubuntu1.6","binary_name":"libgnutlsxx28"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5550-1.json","cves_map":{"cves":[{"id":"CVE-2021-4209","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2022-2509","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"gnutls28","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.6.13-2ubuntu1.7?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.13-2ubuntu1.7"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"3.6.13-2ubuntu1.7","binary_name":"gnutls-bin"},{"binary_version":"3.6.13-2ubuntu1.7","binary_name":"guile-gnutls"},{"binary_version":"3.6.13-2ubuntu1.7","binary_name":"libgnutls-dane0"},{"binary_version":"3.6.13-2ubuntu1.7","binary_name":"libgnutls-openssl27"},{"binary_version":"3.6.13-2ubuntu1.7","binary_name":"libgnutls28-dev"},{"binary_version":"3.6.13-2ubuntu1.7","binary_name":"libgnutls30"},{"binary_version":"3.6.13-2ubuntu1.7","binary_name":"libgnutlsxx28"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5550-1.json","cves_map":{"cves":[{"id":"CVE-2021-4209","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2022-2509","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"gnutls28","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.7.3-4ubuntu1.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-4ubuntu1.1"}]}],"versions":["3.7.1-5ubuntu1","3.7.2-2ubuntu1","3.7.2-4ubuntu1","3.7.2-5ubuntu1","3.7.3-4ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.7.3-4ubuntu1.1","binary_name":"gnutls-bin"},{"binary_version":"3.7.3-4ubuntu1.1","binary_name":"guile-gnutls"},{"binary_version":"3.7.3-4ubuntu1.1","binary_name":"libgnutls-dane0"},{"binary_version":"3.7.3-4ubuntu1.1","binary_name":"libgnutls-openssl27"},{"binary_version":"3.7.3-4ubuntu1.1","binary_name":"libgnutls28-dev"},{"binary_version":"3.7.3-4ubuntu1.1","binary_name":"libgnutls30"},{"binary_version":"3.7.3-4ubuntu1.1","binary_name":"libgnutlsxx28"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5550-1.json","cves_map":{"cves":[{"id":"CVE-2022-2509","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.3"}