{"id":"USN-8347-1","summary":"qtwebengine-opensource-src vulnerability","details":"It was discovered that the vendored LibTIFF in QT WebEngine incorrectly\nhandled memory when parsing malformed TIFF image metadata. An attacker\ncould possibly use this issue to cause a denial of service, obtain\nsensitive information, or execute arbitrary code.","modified":"2026-05-29T20:59:16.387515924Z","published":"2026-05-28T23:00:59Z","related":["UBUNTU-CVE-2025-9900"],"upstream":["UBUNTU-CVE-2025-9900"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8347-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-9900"}],"affected":[{"package":{"name":"qtwebengine-opensource-src","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/qtwebengine-opensource-src?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.5+dfsg-0ubuntu2+esm1"}]}],"versions":["5.9.1+dfsg-4","5.9.1+dfsg-4ubuntu1","5.9.2+dfsg-2ubuntu1","5.9.3+dfsg-0ubuntu1","5.9.4+dfsg-0ubuntu1","5.9.5+dfsg-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"5.9.5+dfsg-0ubuntu2+esm1","binary_name":"libqt5webengine-data"},{"binary_version":"5.9.5+dfsg-0ubuntu2+esm1","binary_name":"libqt5webengine5"},{"binary_version":"5.9.5+dfsg-0ubuntu2+esm1","binary_name":"libqt5webenginecore5"},{"binary_version":"5.9.5+dfsg-0ubuntu2+esm1","binary_name":"libqt5webenginewidgets5"},{"binary_version":"5.9.5+dfsg-0ubuntu2+esm1","binary_name":"qml-module-qtwebengine"},{"binary_version":"5.9.5+dfsg-0ubuntu2+esm1","binary_name":"qtwebengine5-dev-tools"},{"binary_version":"5.9.5+dfsg-0ubuntu2+esm1","binary_name":"qtwebengine5-doc-html"},{"binary_version":"5.9.5+dfsg-0ubuntu2+esm1","binary_name":"qtwebengine5-examples"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8347-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2025-9900"}]}}},{"package":{"name":"qtwebengine-opensource-src","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/qtwebengine-opensource-src?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.12.8+dfsg-0ubuntu1.1+esm1"}]}],"versions":["5.12.4+dfsg-1ubuntu1","5.12.4+dfsg-1ubuntu3","5.12.5+dfsg-3ubuntu1","5.12.5+dfsg-6ubuntu2","5.12.5+dfsg-7","5.12.5+dfsg-7build1","5.12.8+dfsg-0ubuntu1","5.12.8+dfsg-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.12.8+dfsg-0ubuntu1.1+esm1","binary_name":"libqt5webengine-data"},{"binary_version":"5.12.8+dfsg-0ubuntu1.1+esm1","binary_name":"libqt5webengine5"},{"binary_version":"5.12.8+dfsg-0ubuntu1.1+esm1","binary_name":"libqt5webenginecore5"},{"binary_version":"5.12.8+dfsg-0ubuntu1.1+esm1","binary_name":"libqt5webenginewidgets5"},{"binary_version":"5.12.8+dfsg-0ubuntu1.1+esm1","binary_name":"qml-module-qtwebengine"},{"binary_version":"5.12.8+dfsg-0ubuntu1.1+esm1","binary_name":"qtwebengine5-dev-tools"},{"binary_version":"5.12.8+dfsg-0ubuntu1.1+esm1","binary_name":"qtwebengine5-doc-html"},{"binary_version":"5.12.8+dfsg-0ubuntu1.1+esm1","binary_name":"qtwebengine5-examples"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8347-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2025-9900"}]}}},{"package":{"name":"qtwebengine-opensource-src","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/qtwebengine-opensource-src?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.9+dfsg-1ubuntu0.1~esm1"}]}],"versions":["5.15.6+dfsg-1","5.15.6+dfsg-2","5.15.7+dfsg-2","5.15.8+dfsg-1","5.15.8+dfsg-1build1","5.15.8+dfsg-1build2","5.15.8+dfsg-2","5.15.9+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"libqt5pdf5"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"libqt5pdfwidgets5"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"libqt5webengine-data"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"libqt5webengine5"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"libqt5webenginecore5"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"libqt5webenginewidgets5"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"qml-module-qtquick-pdf"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"qml-module-qtwebengine"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"qt5-image-formats-plugin-pdf"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"qtpdf5-doc-html"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"qtpdf5-examples"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"qtwebengine5-dev-tools"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"qtwebengine5-doc-html"},{"binary_version":"5.15.9+dfsg-1ubuntu0.1~esm1","binary_name":"qtwebengine5-examples"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8347-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2025-9900"}]}}},{"package":{"name":"qtwebengine-opensource-src","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/qtwebengine-opensource-src?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.16+dfsg-3ubuntu0.1~esm1"}]}],"versions":["5.15.15+dfsg-2","5.15.15+dfsg-2build2","5.15.15+dfsg-2ubuntu1","5.15.16+dfsg-1","5.15.16+dfsg-1ubuntu2","5.15.16+dfsg-1ubuntu4","5.15.16+dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"libqt5pdf5"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"libqt5pdfwidgets5"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"libqt5webengine-data"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"libqt5webengine5"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"libqt5webenginecore5"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"libqt5webenginewidgets5"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"qml-module-qtquick-pdf"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"qml-module-qtwebengine"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"qt5-image-formats-plugin-pdf"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"qtpdf5-doc-html"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"qtpdf5-examples"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"qtwebengine5-dev-tools"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"qtwebengine5-doc-html"},{"binary_version":"5.15.16+dfsg-3ubuntu0.1~esm1","binary_name":"qtwebengine5-examples"}],"availability":"Available 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