{"id":"UBUNTU-CVE-2017-18199","details":"realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (NULL Pointer Dereference) via a crafted iso file.","modified":"2026-02-04T03:57:34.656590Z","published":"2018-02-24T06:29:00Z","related":["USN-5558-1"],"upstream":["CVE-2017-18199"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-18199"},{"type":"REPORT","url":"https://savannah.gnu.org/bugs/?52264"},{"type":"REPORT","url":"http://ftp.gnu.org/gnu/libcdio/libcdio-1.0.0.tar.gz"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5558-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-18199"}],"affected":[{"package":{"name":"libcdio","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libcdio@0.83-4.1ubuntu1+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.83-4.1ubuntu1+esm1"}]}],"versions":["0.83-4ubuntu1","0.83-4.1","0.83-4.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libcdio-cdda-dev"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libcdio-cdda1"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libcdio-dev"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libcdio-paranoia-dev"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libcdio-paranoia1"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libcdio-utils"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libcdio13"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libiso9660-8"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libiso9660-dev"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libudf-dev"},{"binary_version":"0.83-4.1ubuntu1+esm1","binary_name":"libudf0"}],"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/2017/UBUNTU-CVE-2017-18199.json"}},{"package":{"name":"libcdio","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libcdio@0.83-4.2ubuntu1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.83-4.2ubuntu1+esm1"}]}],"versions":["0.83-4.2","0.83-4.2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libcdio-cdda-dev"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libcdio-cdda1"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libcdio-dev"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libcdio-paranoia-dev"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libcdio-paranoia1"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libcdio-utils"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libcdio13"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libiso9660-8"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libiso9660-dev"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libudf-dev"},{"binary_version":"0.83-4.2ubuntu1+esm1","binary_name":"libudf0"}],"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/2017/UBUNTU-CVE-2017-18199.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:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}