{"id":"JLSEC-2026-578","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.","modified":"2026-06-08T13:30:04.033023550Z","published":"2026-06-08T13:15:35.983Z","upstream":["CVE-2019-13117"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-13117","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2019-13117","published":"2019-07-01T02:15:09.737Z","database_specific":{"status":"Modified"},"modified":"2026-05-28T19:16:29.543Z","imported":"2026-06-07T01:46:46.551Z","id":"CVE-2019-13117"}]},"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.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"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/11/17/2"},{"type":"WEB","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471"},{"type":"WEB","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471"},{"type":"WEB","url":"https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1"},{"type":"WEB","url":"https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1"},{"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/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.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOYJKXPQCUNBMMQJWYXOR6QRUJZHEDRZ/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOYJKXPQCUNBMMQJWYXOR6QRUJZHEDRZ/"},{"type":"WEB","url":"https://oss-fuzz.com/testcase-detail/5631739747106816"},{"type":"WEB","url":"https://oss-fuzz.com/testcase-detail/5631739747106816"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20190806-0004/"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20190806-0004/"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20200122-0003/"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20200122-0003/"},{"type":"WEB","url":"https://usn.ubuntu.com/4164-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/4164-1/"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujan2020.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujan2020.html"}],"affected":[{"package":{"name":"XSLT_jll","ecosystem":"Julia","purl":"pkg:julia/XSLT_jll?uuid=aed1982a-8fda-507f-9586-7b0439959a61"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.1.34+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-578.json"}}],"schema_version":"1.7.5"}