{"id":"CVE-2019-13117","aliases":["GHSA-4hm9-844j-jmxp"],"url":"https://o3.security/vulnerability/CVE-2019-13117","summary":"Uninitialized read in Nokogiri gem","details":"In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.","published":"2019-07-01T02:15:09.737Z","modified":"2026-07-22T04:27:26.170133Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"nokogiri","fixedVersion":"1.10.5"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOYJKXPQCUNBMMQJWYXOR6QRUJZHEDRZ/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/11/17/2"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190806-0004/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200122-0003/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4164-1/"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpujan2020.html"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471"},{"type":"REPORT","url":"https://oss-fuzz.com/testcase-detail/5631739747106816"},{"type":"FIX","url":"https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-22T04:27:26.170133Z"}}