{"id":"UBUNTU-CVE-2025-43501","details":"A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.","modified":"2026-01-30T01:19:53.963796Z","published":"2025-12-17T21:16:00Z","related":["USN-7957-1"],"upstream":["CVE-2025-43501"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-43501"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-43501"},{"type":"REPORT","url":"https://webkitgtk.org/security/WSA-2025-0010.html"},{"type":"REPORT","url":"https://support.apple.com/en-us/125884"},{"type":"REPORT","url":"https://support.apple.com/en-us/125885"},{"type":"REPORT","url":"https://support.apple.com/en-us/125886"},{"type":"REPORT","url":"https://support.apple.com/en-us/125891"},{"type":"REPORT","url":"https://support.apple.com/en-us/125892"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7957-1"}],"affected":[{"package":{"name":"qtwebkit-opensource-src","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qtwebkit-opensource-src@5.5.1+dfsg-2ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.2+dfsg-1ubuntu2.1","5.5.1+dfsg-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.5.1+dfsg-2ubuntu1","binary_name":"libqt5webkit5"},{"binary_version":"5.5.1+dfsg-2ubuntu1","binary_name":"libqt5webkit5-dev"},{"binary_version":"5.5.1+dfsg-2ubuntu1","binary_name":"libqt5webkit5-qmlwebkitplugin"},{"binary_version":"5.5.1+dfsg-2ubuntu1","binary_name":"qml-module-qtwebkit"},{"binary_version":"5.5.1+dfsg-2ubuntu1","binary_name":"qtwebkit5-doc-html"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-43501.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk@2.20.5-0ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.5+dfsg1-3","2.10.3+dfsg1-1","2.10.4+dfsg1-1","2.10.5-1","2.10.6-1","2.10.6-1ubuntu1","2.10.8-1ubuntu1","2.10.9-1ubuntu1","2.12.5-0ubuntu0.16.04.1","2.14.2-0ubuntu0.16.04.1","2.14.3-0ubuntu0.16.04.1","2.14.5-0ubuntu0.16.04.1","2.16.1-0ubuntu0.16.04.1","2.16.1-0ubuntu0.16.04.2","2.16.2-0ubuntu0.16.04.1","2.16.3-0ubuntu0.16.04.1","2.16.6-0ubuntu0.16.04.1","2.18.0-0ubuntu0.16.04.2","2.18.3-0ubuntu0.16.04.1","2.18.4-0ubuntu0.16.04.1","2.18.5-0ubuntu0.16.04.1","2.18.6-0ubuntu0.16.04.1","2.20.1-0ubuntu0.16.04.1","2.20.2-0ubuntu0.16.04.1","2.20.3-0ubuntu0.16.04.1","2.20.5-0ubuntu0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.20.5-0ubuntu0.16.04.1","binary_name":"gir1.2-javascriptcoregtk-4.0"},{"binary_version":"2.20.5-0ubuntu0.16.04.1","binary_name":"gir1.2-webkit2-4.0"},{"binary_version":"2.20.5-0ubuntu0.16.04.1","binary_name":"libjavascriptcoregtk-4.0-18"},{"binary_version":"2.20.5-0ubuntu0.16.04.1","binary_name":"libjavascriptcoregtk-4.0-bin"},{"binary_version":"2.20.5-0ubuntu0.16.04.1","binary_name":"libjavascriptcoregtk-4.0-dev"},{"binary_version":"2.20.5-0ubuntu0.16.04.1","binary_name":"libwebkit2gtk-4.0-37"},{"binary_version":"2.20.5-0ubuntu0.16.04.1","binary_name":"libwebkit2gtk-4.0-37-gtk2"},{"binary_version":"2.20.5-0ubuntu0.16.04.1","binary_name":"libwebkit2gtk-4.0-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-43501.json"}},{"package":{"name":"qtwebkit-source","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qtwebkit-source@2.3.2-0ubuntu11?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-0ubuntu10","2.3.2-0ubuntu11"],"ecosystem_specific":{"binaries":[{"binary_version":"2.3.2-0ubuntu11","binary_name":"libqtwebkit-dev"},{"binary_version":"2.3.2-0ubuntu11","binary_name":"libqtwebkit-qmlwebkitplugin"},{"binary_version":"2.3.2-0ubuntu11","binary_name":"libqtwebkit4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-43501.json"}},{"package":{"name":"webkitgtk","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/webkitgtk@2.4.11-0ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.9-2ubuntu2","2.4.10-0ubuntu1","2.4.11-0ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"gir1.2-javascriptcoregtk-3.0"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"gir1.2-webkit-3.0"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"gir1.2-webkit2-3.0"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"libjavascriptcoregtk-1.0-0"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"libjavascriptcoregtk-1.0-dev"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"libjavascriptcoregtk-3.0-0"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"libjavascriptcoregtk-3.0-bin"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"libjavascriptcoregtk-3.0-dev"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"libwebkit-dev"},{"binary_v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