{"id":"UBUNTU-CVE-2019-11023","details":"The agroot() function in cgraph\\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference, as demonstrated by graphml2gv.","modified":"2026-01-30T02:36:32.597106Z","published":"2019-04-08T23:29:00Z","related":["USN-5264-1","USN-5971-1"],"upstream":["CVE-2019-11023"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11023"},{"type":"REPORT","url":"https://research.loginsoft.com/bugs/null-pointer-dereference-in-function-agroot/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5264-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5971-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-11023"}],"affected":[{"package":{"name":"graphviz","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/graphviz@2.36.0-0ubuntu3.2+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.36.0-0ubuntu3.2+esm1"}]}],"versions":["2.26.3-15ubuntu4","2.34.0-0ubuntu4","2.34.0-0ubuntu5","2.36.0-0ubuntu1","2.36.0-0ubuntu2","2.36.0-0ubuntu3","2.36.0-0ubuntu3.1","2.36.0-0ubuntu3.2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"graphviz"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"graphviz-dev"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libcdt5"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libcgraph6"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgraphviz-dev"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgv-guile"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgv-lua"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgv-perl"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgv-php5"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgv-python"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgv-ruby"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgv-tcl"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgvc6"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgvc6-plugins-gtk"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libgvpr2"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libpathplan4"},{"binary_version":"2.36.0-0ubuntu3.2+esm1","binary_name":"libxdot4"}],"availability":"Available 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https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11023.json"}},{"package":{"name":"graphviz","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/graphviz@2.38.0-12ubuntu2.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.38.0-12ubuntu2.1+esm1"}]}],"versions":["2.38.0-10build1","2.38.0-11","2.38.0-12","2.38.0-12build1","2.38.0-12ubuntu1","2.38.0-12ubuntu2","2.38.0-12ubuntu2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"graphviz"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"graphviz-dev"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libcdt5"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libcgraph6"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgraphviz-dev"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgv-guile"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgv-lua"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgv-perl"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgv-python"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgv-ruby"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgv-tcl"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgvc6"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgvc6-plugins-gtk"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libgvpr2"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libpathplan4"},{"binary_version":"2.38.0-12ubuntu2.1+esm1","binary_name":"libxdot4"}],"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-2019-11023.json"}},{"package":{"name":"graphviz","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/graphviz@2.40.1-2ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40.1-2ubuntu0.1~esm1"}]}],"versions":["2.38.0-16ubuntu2","2.38.0-18ubuntu1","2.40.1-0ubuntu5","2.40.1-0ubuntu6","2.40.1-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"graphviz"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libcdt5"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libcgraph6"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgraphviz-dev"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgv-guile"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgv-lua"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgv-perl"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgv-php7"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgv-ruby"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgv-tcl"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgvc6"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgvc6-plugins-gtk"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libgvpr2"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"liblab-gamut1"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libpathplan4"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"libxdot4"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"python-gv"},{"binary_version":"2.40.1-2ubuntu0.1~esm1","binary_name":"python3-gv"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11023.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}