{"id":"UBUNTU-CVE-2019-20919","details":"An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.","modified":"2026-02-04T04:10:44.749485Z","published":"2020-09-17T18:15:00Z","related":["USN-4534-1"],"upstream":["CVE-2019-20919"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-20919"},{"type":"REPORT","url":"https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-..."},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4534-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-20919"}],"affected":[{"package":{"name":"libdbi-perl","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libdbi-perl@1.630-1ubuntu0.1~esm5?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.630-1ubuntu0.1~esm5"}]}],"versions":["1.627-1","1.628-1","1.630-1","1.630-1ubuntu0.1~esm1","1.630-1ubuntu0.1~esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.630-1ubuntu0.1~esm5","binary_name":"libdbi-perl"}],"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-2019-20919.json"}},{"package":{"name":"libdbi-perl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libdbi-perl@1.634-1ubuntu0.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.634-1ubuntu0.2"}]}],"versions":["1.633-1","1.634-1","1.634-1build1","1.634-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.634-1ubuntu0.2","binary_name":"libdbi-perl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20919.json"}},{"package":{"name":"libdbi-perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libdbi-perl@1.640-1ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.640-1ubuntu0.2"}]}],"versions":["1.637-1","1.639-1","1.640-1","1.640-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.640-1ubuntu0.2","binary_name":"libdbi-perl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20919.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}