{"id":"UBUNTU-CVE-2025-7424","details":"A flaw was found in the libxslt library. The same memory field, psvi, is used for both stylesheet and input data, which can lead to type confusion during XML transformations. This vulnerability allows an attacker to crash the application or corrupt memory. In some cases, it may lead to denial of service or unexpected behavior.","modified":"2026-01-30T02:44:31.564702Z","published":"2025-07-10T14:15:00Z","related":["USN-7945-1"],"upstream":["CVE-2025-7424"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-7424"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-7424"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-7424"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7945-1"}],"affected":[{"package":{"name":"libxslt","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libxslt@1.1.28-2ubuntu0.2+esm5?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.28-2ubuntu0.2+esm5"}]}],"versions":["1.1.28-2","1.1.28-2build1","1.1.28-2ubuntu0.1","1.1.28-2ubuntu0.2","1.1.28-2ubuntu0.2+esm1","1.1.28-2ubuntu0.2+esm2","1.1.28-2ubuntu0.2+esm3","1.1.28-2ubuntu0.2+esm4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"1.1.28-2ubuntu0.2+esm5","binary_name":"libxslt1-dev"},{"binary_version":"1.1.28-2ubuntu0.2+esm5","binary_name":"libxslt1.1"},{"binary_version":"1.1.28-2ubuntu0.2+esm5","binary_name":"python-libxslt1"},{"binary_version":"1.1.28-2ubuntu0.2+esm5","binary_name":"xsltproc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-7424.json"}},{"package":{"name":"libxslt","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libxslt@1.1.28-2.1ubuntu0.3+esm4?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.28-2.1ubuntu0.3+esm4"}]}],"versions":["1.1.28-2build2","1.1.28-2.1","1.1.28-2.1ubuntu0.1","1.1.28-2.1ubuntu0.2","1.1.28-2.1ubuntu0.3","1.1.28-2.1ubuntu0.3+esm1","1.1.28-2.1ubuntu0.3+esm2","1.1.28-2.1ubuntu0.3+esm3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.1.28-2.1ubuntu0.3+esm4","binary_name":"libxslt1-dev"},{"binary_version":"1.1.28-2.1ubuntu0.3+esm4","binary_name":"libxslt1.1"},{"binary_version":"1.1.28-2.1ubuntu0.3+esm4","binary_name":"python-libxslt1"},{"binary_version":"1.1.28-2.1ubuntu0.3+esm4","binary_name":"xsltproc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-7424.json"}},{"package":{"name":"libxslt","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libxslt@1.1.29-5ubuntu0.3+esm3?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.29-5ubuntu0.3+esm3"}]}],"versions":["1.1.29-2.1ubuntu1","1.1.29-4","1.1.29-5","1.1.29-5ubuntu0.1","1.1.29-5ubuntu0.2","1.1.29-5ubuntu0.3","1.1.29-5ubuntu0.3+esm1","1.1.29-5ubuntu0.3+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.1.29-5ubuntu0.3+esm3","binary_name":"libxslt1-dev"},{"binary_version":"1.1.29-5ubuntu0.3+esm3","binary_name":"libxslt1.1"},{"binary_version":"1.1.29-5ubuntu0.3+esm3","binary_name":"python-libxslt1"},{"binary_version":"1.1.29-5ubuntu0.3+esm3","binary_name":"xsltproc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-7424.json"}},{"package":{"name":"libxslt","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libxslt@1.1.34-4ubuntu0.20.04.3+esm2?arch=source&distro=esm-infra/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.34-4ubuntu0.20.04.3+esm2"}]}],"versions":["1.1.33-0ubuntu1","1.1.33-0ubuntu2","1.1.33-0ubuntu3","1.1.34-1","1.1.34-1ubuntu1","1.1.34-3","1.1.34-4","1.1.34-4ubuntu0.20.04.1","1.1.34-4ubuntu0.20.04.2","1.1.34-4ubuntu0.20.04.3","1.1.34-4ubuntu0.20.04.3+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.1.34-4ubuntu0.20.04.3+esm2","binary_name":"libxslt1-dev"},{"binary_version":"1.1.34-4ubuntu0.20.04.3+esm2","binary_name":"libxslt1.1"},{"binary_version":"1.1.34-4ubuntu0.20.04.3+esm2","binary_name":"xsltproc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-7424.json"}},{"package":{"name":"libxslt","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libxslt@1.1.34-4ubuntu0.22.04.5?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.34-4ubuntu0.22.04.5"}]}],"versions":["1.1.34-4","1.1.34-4build1","1.1.34-4build2","1.1.34-4ubuntu0.22.04.1","1.1.34-4ubuntu0.22.04.2","1.1.34-4ubuntu0.22.04.3","1.1.34-4ubuntu0.22.04.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.1.34-4ubuntu0.22.04.5","binary_name":"libxslt1-dev"},{"binary_version":"1.1.34-4ubuntu0.22.04.5","binary_name":"libxslt1.1"},{"binary_version":"1.1.34-4ubuntu0.22.04.5","binary_name":"xsltproc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-7424.json"}},{"package":{"name":"libxslt","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libxslt@1.1.39-0exp1ubuntu0.24.04.3?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.39-0exp1ubuntu0.24.04.3"}]}],"versions":["1.1.35-1","1.1.39-0exp1","1.1.39-0exp1build1","1.1.39-0exp1ubuntu0.24.04.1","1.1.39-0exp1ubuntu0.24.04.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.1.39-0exp1ubuntu0.24.04.3","binary_name":"libxslt1-dev"},{"binary_version":"1.1.39-0exp1ubuntu0.24.04.3","binary_name":"libxslt1.1"},{"binary_version":"1.1.39-0exp1ubuntu0.24.04.3","binary_name":"xsltproc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-7424.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}