{"id":"USN-4203-1","summary":"nss vulnerability","details":"It was discovered that NSS incorrectly handled certain memory operations. A\nremote attacker could use this issue to cause NSS to crash, resulting in a\ndenial of service, or possibly execute arbitrary code.\n","modified":"2026-02-10T04:41:42Z","published":"2019-11-27T16:55:54Z","related":["UBUNTU-CVE-2019-11745"],"upstream":["CVE-2019-11745","UBUNTU-CVE-2019-11745"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4203-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11745"}],"affected":[{"package":{"name":"nss","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.16.04.8?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.28.4-0ubuntu0.16.04.8"}]}],"versions":["2:3.19.2-1ubuntu1","2:3.19.2.1-0ubuntu1","2:3.21-1ubuntu2","2:3.21-1ubuntu3","2:3.21-1ubuntu4","2:3.23-0ubuntu0.16.04.1","2:3.26.2-0ubuntu0.16.04.2","2:3.28.4-0ubuntu0.16.04.1","2:3.28.4-0ubuntu0.16.04.2","2:3.28.4-0ubuntu0.16.04.3","2:3.28.4-0ubuntu0.16.04.4","2:3.28.4-0ubuntu0.16.04.5","2:3.28.4-0ubuntu0.16.04.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2:3.28.4-0ubuntu0.16.04.8","binary_name":"libnss3"},{"binary_version":"2:3.28.4-0ubuntu0.16.04.8","binary_name":"libnss3-1d"},{"binary_version":"2:3.28.4-0ubuntu0.16.04.8","binary_name":"libnss3-dev"},{"binary_version":"2:3.28.4-0ubuntu0.16.04.8","binary_name":"libnss3-nssdb"},{"binary_version":"2:3.28.4-0ubuntu0.16.04.8","binary_name":"libnss3-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4203-1.json","cves_map":{"cves":[{"id":"CVE-2019-11745","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"nss","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.35-2ubuntu2.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.35-2ubuntu2.5"}]}],"versions":["2:3.32-1ubuntu3","2:3.34-1ubuntu1","2:3.35-2ubuntu2","2:3.35-2ubuntu2.1","2:3.35-2ubuntu2.2","2:3.35-2ubuntu2.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2:3.35-2ubuntu2.5","binary_name":"libnss3"},{"binary_version":"2:3.35-2ubuntu2.5","binary_name":"libnss3-dev"},{"binary_version":"2:3.35-2ubuntu2.5","binary_name":"libnss3-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4203-1.json","cves_map":{"cves":[{"id":"CVE-2019-11745","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.3"}