{"schema_version":"1.7.5","id":"GHSA-242x-7cm6-4w8j","published":"2022-05-24T16:59:28Z","modified":"2026-06-09T10:22:03Z","aliases":["CVE-2019-18197"],"summary":"Nokogiri affected by libxslt Use of Uninitialized Resource/Use After Free vulnerability","details":"In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.\n\nNokogiri prior to version 1.10.5 contains a vulnerable version of libxslt. Nokogiri version 1.10.5 upgrades the dependency to libxslt 1.1.34, which contains a patch for this issue.","affected":[{"package":{"name":"nokogiri","ecosystem":"RubyGems","purl":"pkg:gem/nokogiri"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.1.0","1.1.1","1.10.0","1.10.0.rc1","1.10.1","1.10.2","1.10.3","1.10.4","1.2.0","1.2.1","1.2.2","1.2.3","1.3.0","1.3.1","1.3.2","1.3.3","1.4.0","1.4.1","1.4.2","1.4.2.1","1.4.3","1.4.3.1","1.4.4","1.4.4.1","1.4.4.2","1.4.5","1.4.6","1.4.7","1.5.0","1.5.0.beta.1","1.5.0.beta.2","1.5.0.beta.3","1.5.0.beta.4","1.5.1","1.5.1.rc1","1.5.10","1.5.11","1.5.2","1.5.3","1.5.3.rc2","1.5.3.rc3","1.5.3.rc4","1.5.3.rc5","1.5.3.rc6","1.5.4","1.5.4.rc1","1.5.4.rc2","1.5.4.rc3","1.5.5","1.5.5.rc1","1.5.5.rc2","1.5.5.rc3","1.5.6","1.5.6.rc1","1.5.6.rc2","1.5.6.rc3","1.5.7","1.5.7.rc1","1.5.7.rc2","1.5.7.rc3","1.5.8","1.5.9","1.6.0","1.6.0.rc1","1.6.1","1.6.2","1.6.2.1","1.6.2.rc1","1.6.2.rc2","1.6.2.rc3","1.6.3","1.6.3.1","1.6.3.rc1","1.6.3.rc2","1.6.3.rc3","1.6.4","1.6.4.1","1.6.5","1.6.6.1","1.6.6.2","1.6.6.3","1.6.6.4","1.6.7","1.6.7.1","1.6.7.2","1.6.7.rc2","1.6.7.rc3","1.6.7.rc4","1.6.8","1.6.8.1","1.6.8.rc1","1.6.8.rc2","1.6.8.rc3","1.7.0","1.7.0.1","1.7.1","1.7.2","1.8.0","1.8.1","1.8.2","1.8.3","1.8.4","1.8.5","1.9.0","1.9.0.rc1","1.9.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-242x-7cm6-4w8j/GHSA-242x-7cm6-4w8j.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18197"},{"type":"WEB","url":"https://github.com/sparklemotion/nokogiri/issues/1943"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2020:0514"},{"type":"WEB","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746"},{"type":"WEB","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768"},{"type":"WEB","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914"},{"type":"WEB","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2019-18197.yml"},{"type":"PACKAGE","url":"https://github.com/sparklemotion/nokogiri"},{"type":"WEB","url":"https://github.com/sparklemotion/nokogiri/blob/01ab95f3e37429ed8d3b380a8d2f73902eb325d9/CHANGELOG.md?plain=1#L934"},{"type":"WEB","url":"https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2019/10/msg00037.html"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20191031-0004"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20200416-0004"},{"type":"WEB","url":"https://usn.ubuntu.com/4164-1"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2020.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/11/17/2"}],"database_specific":{"cwe_ids":["CWE-416","CWE-908"],"github_reviewed":true,"github_reviewed_at":"2023-07-07T21:30:20Z","nvd_published_at":"2019-10-18T21:15:00Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}