{"id":"UBUNTU-CVE-2019-17007","details":"In Network Security Services before 3.44, a malformed Netscape Certificate Sequence can cause NSS to crash, resulting in a denial of service.","modified":"2026-04-22T12:12:31.408453Z","published":"2019-11-29T00:00:00Z","related":["USN-4215-1"],"upstream":["CVE-2019-17007"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-17007"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4215-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-17007"}],"affected":[{"package":{"name":"nss","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.14.04.5+esm3?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.28.4-0ubuntu0.14.04.5+esm3"}]}],"versions":["2:3.15.1-1ubuntu1","2:3.15.2-1","2:3.15.3-1","2:3.15.3.1-1","2:3.15.3.1-1.1","2:3.15.3.1-1.1ubuntu1","2:3.15.4-1ubuntu3","2:3.15.4-1ubuntu4","2:3.15.4-1ubuntu5","2:3.15.4-1ubuntu6","2:3.15.4-1ubuntu7","2:3.15.4-1ubuntu7.1","2:3.17-0ubuntu0.14.04.1","2:3.17.1-0ubuntu0.14.04.1","2:3.17.1-0ubuntu0.14.04.2","2:3.17.4-0ubuntu0.14.04.1","2:3.19.2-0ubuntu0.14.04.1","2:3.19.2.1-0ubuntu0.14.04.1","2:3.19.2.1-0ubuntu0.14.04.2","2:3.21-0ubuntu0.14.04.1","2:3.21-0ubuntu0.14.04.2","2:3.23-0ubuntu0.14.04.1","2:3.26.2-0ubuntu0.14.04.3","2:3.28.4-0ubuntu0.14.04.1","2:3.28.4-0ubuntu0.14.04.2","2:3.28.4-0ubuntu0.14.04.3","2:3.28.4-0ubuntu0.14.04.4","2:3.28.4-0ubuntu0.14.04.5","2:3.28.4-0ubuntu0.14.04.5+esm1","2:3.28.4-0ubuntu0.14.04.5+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss3","binary_version":"2:3.28.4-0ubuntu0.14.04.5+esm3"},{"binary_name":"libnss3-1d","binary_version":"2:3.28.4-0ubuntu0.14.04.5+esm3"},{"binary_name":"libnss3-nssdb","binary_version":"2:3.28.4-0ubuntu0.14.04.5+esm3"},{"binary_name":"libnss3-tools","binary_version":"2:3.28.4-0ubuntu0.14.04.5+esm3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17007.json"}},{"package":{"name":"nss","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.16.04.9?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.28.4-0ubuntu0.16.04.9"}]}],"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","2:3.28.4-0ubuntu0.16.04.8"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss3","binary_version":"2:3.28.4-0ubuntu0.16.04.9"},{"binary_name":"libnss3-1d","binary_version":"2:3.28.4-0ubuntu0.16.04.9"},{"binary_name":"libnss3-nssdb","binary_version":"2:3.28.4-0ubuntu0.16.04.9"},{"binary_name":"libnss3-tools","binary_version":"2:3.28.4-0ubuntu0.16.04.9"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17007.json"}},{"package":{"name":"nss","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/nss@2:3.35-2ubuntu2.6?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.35-2ubuntu2.6"}]}],"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","2:3.35-2ubuntu2.5"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss3","binary_version":"2:3.35-2ubuntu2.6"},{"binary_name":"libnss3-tools","binary_version":"2:3.35-2ubuntu2.6"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17007.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}