{"id":"USN-5051-1","summary":"openssl vulnerabilities","details":"John Ouyang discovered that OpenSSL incorrectly handled decrypting SM2\ndata. A remote attacker could use this issue to cause applications using\nOpenSSL to crash, resulting in a denial of service, or possibly change\napplication behaviour. (CVE-2021-3711)\n\nIngo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1\nstrings. A remote attacker could use this issue to cause OpenSSL to crash,\nresulting in a denial of service, or possibly obtain sensitive information.\n(CVE-2021-3712)\n","modified":"2026-04-27T18:53:05.326338Z","published":"2021-08-24T15:26:39Z","related":["UBUNTU-CVE-2021-3711","UBUNTU-CVE-2021-3712"],"upstream":["CVE-2021-3711","CVE-2021-3712","UBUNTU-CVE-2021-3711","UBUNTU-CVE-2021-3712"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5051-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3711"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3712"}],"affected":[{"package":{"name":"openssl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openssl@1.1.1-1ubuntu2.1~18.04.13?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1-1ubuntu2.1~18.04.13"}]}],"versions":["1.0.2g-1ubuntu13","1.0.2g-1ubuntu14","1.0.2n-1ubuntu1","1.1.0g-2ubuntu1","1.1.0g-2ubuntu2","1.1.0g-2ubuntu3","1.1.0g-2ubuntu4","1.1.0g-2ubuntu4.1","1.1.0g-2ubuntu4.3","1.1.1-1ubuntu2.1~18.04.1","1.1.1-1ubuntu2.1~18.04.2","1.1.1-1ubuntu2.1~18.04.3","1.1.1-1ubuntu2.1~18.04.4","1.1.1-1ubuntu2.1~18.04.5","1.1.1-1ubuntu2.1~18.04.6","1.1.1-1ubuntu2.1~18.04.7","1.1.1-1ubuntu2.1~18.04.8","1.1.1-1ubuntu2.1~18.04.9","1.1.1-1ubuntu2.1~18.04.10"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.1-1ubuntu2.1~18.04.13","binary_name":"libssl1.1"},{"binary_version":"1.1.1-1ubuntu2.1~18.04.13","binary_name":"openssl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5051-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2021-3711","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2021-3712","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"openssl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openssl@1.1.1f-1ubuntu2.8?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1f-1ubuntu2.8"}]}],"versions":["1.1.1c-1ubuntu4","1.1.1d-2ubuntu3","1.1.1d-2ubuntu6","1.1.1f-1ubuntu1","1.1.1f-1ubuntu2","1.1.1f-1ubuntu2.1","1.1.1f-1ubuntu2.2","1.1.1f-1ubuntu2.3","1.1.1f-1ubuntu2.4","1.1.1f-1ubuntu2.5"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.1f-1ubuntu2.8","binary_name":"libssl1.1"},{"binary_version":"1.1.1f-1ubuntu2.8","binary_name":"openssl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5051-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-3711","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2021-3712","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.5"}