{"id":"DEBIAN-CVE-2025-5455","details":"An issue was found in the private API function qDecodeDataUrl() in QtCore, which is used in QTextDocument and QNetworkReply, and, potentially, in user code.    If the function was called with malformed data, for example, an URL that contained a \"charset\" parameter that lacked a value (such as \"data:charset,\"), and Qt was built with assertions enabled, then it would hit an assertion, resulting in a denial of service (abort).    This impacts Qt up to 5.15.18, 6.0.0-\u003e6.5.8, 6.6.0-\u003e6.8.3 and 6.9.0. This has been fixed in 5.15.19, 6.5.9, 6.8.4 and 6.9.1.","modified":"2026-09-01T16:06:19.706795248Z","published":"2025-06-02T09:15:21.493Z","upstream":["CVE-2025-5455"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-5455"}],"affected":[{"package":{"name":"qt6-base","ecosystem":"Debian:12","purl":"pkg:deb/debian/qt6-base?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.10.2+dfsg-1","6.10.2+dfsg-10","6.10.2+dfsg-10+hurd.1","6.10.2+dfsg-11","6.10.2+dfsg-12","6.10.2+dfsg-13","6.10.2+dfsg-14","6.10.2+dfsg-15","6.10.2+dfsg-16","6.10.2+dfsg-2","6.10.2+dfsg-3","6.10.2+dfsg-4","6.10.2+dfsg-5","6.10.2+dfsg-6","6.10.2+dfsg-7","6.10.2+dfsg-7+hurd.1","6.10.2+dfsg-8","6.10.2+dfsg-9","6.11.2+dfsg-1","6.11.2+dfsg-2","6.11.2+dfsg-3","6.11.2+dfsg-4","6.4.2+dfsg-10","6.4.2+dfsg-11","6.4.2+dfsg-11~bpo11+1","6.4.2+dfsg-12","6.4.2+dfsg-13","6.4.2+dfsg-14","6.4.2+dfsg-15","6.4.2+dfsg-16","6.4.2+dfsg-17","6.4.2+dfsg-18","6.4.2+dfsg-18+loong64","6.4.2+dfsg-19","6.4.2+dfsg-20","6.4.2+dfsg-21","6.4.2+dfsg-21.1","6.6.0+dfsg-1","6.6.0+dfsg-2","6.6.0+dfsg-3","6.6.0+dfsg-4","6.6.0+dfsg-5","6.6.0+dfsg-6","6.6.1+dfsg-1","6.6.1+dfsg-2","6.6.1+dfsg-3","6.6.1+dfsg-4","6.6.1+dfsg-5","6.6.1+dfsg-6","6.6.2+dfsg-1","6.6.2+dfsg-10","6.6.2+dfsg-11","6.6.2+dfsg-12","6.6.2+dfsg-2","6.6.2+dfsg-3","6.6.2+dfsg-4","6.6.2+dfsg-5","6.6.2+dfsg-6","6.6.2+dfsg-7","6.6.2+dfsg-8","6.6.2+dfsg-9","6.7.2+dfsg-1","6.7.2+dfsg-2","6.7.2+dfsg-3","6.7.2+dfsg-4","6.7.2+dfsg-4+m68k","6.7.2+dfsg-5","6.7.2+dfsg-6","6.8.2+dfsg-1","6.8.2+dfsg-10","6.8.2+dfsg-10.1","6.8.2+dfsg-2","6.8.2+dfsg-3","6.8.2+dfsg-4","6.8.2+dfsg-5","6.8.2+dfsg-5+m68k","6.8.2+dfsg-6","6.8.2+dfsg-7","6.8.2+dfsg-8","6.8.2+dfsg-9","6.9.1+dfsg-1","6.9.1+dfsg-2","6.9.1+dfsg-3","6.9.1+dfsg-4","6.9.1+dfsg-5","6.9.2+dfsg-1","6.9.2+dfsg-2","6.9.2+dfsg-3","6.9.2+dfsg-4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-5455.json"}},{"package":{"name":"qt6-base","ecosystem":"Debian:13","purl":"pkg:deb/debian/qt6-base?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.2+dfsg-8"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-5455.json"}},{"package":{"name":"qt6-base","ecosystem":"Debian:14","purl":"pkg:deb/debian/qt6-base?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.2+dfsg-8"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-5455.json"}},{"package":{"name":"qtbase-opensource-src","ecosystem":"Debian:12","purl":"pkg:deb/debian/qtbase-opensource-src?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.10+dfsg-1","5.15.10+dfsg-2","5.15.10+dfsg-3","5.15.10+dfsg-4","5.15.10+dfsg-5","5.15.10+dfsg-6","5.15.10+dfsg-7","5.15.10+dfsg-7.1","5.15.10+dfsg-7.2","5.15.11+dfsg-1","5.15.12+dfsg-1","5.15.12+dfsg-2","5.15.12+dfsg-3","5.15.13+dfsg-1","5.15.13+dfsg-2","5.15.13+dfsg-3","5.15.13+dfsg-4","5.15.14+dfsg-1","5.15.15+dfsg-1","5.15.15+dfsg-2","5.15.15+dfsg-3","5.15.15+dfsg-4","5.15.15+dfsg-5","5.15.15+dfsg-6","5.15.16+dfsg-1","5.15.16+dfsg-2","5.15.17+dfsg-1","5.15.17+dfsg-2","5.15.17+dfsg-3","5.15.17+dfsg-4","5.15.17+dfsg-5","5.15.17+dfsg-6","5.15.17+dfsg-7","5.15.17+dfsg-8","5.15.18+dfsg-1","5.15.18+dfsg-2","5.15.19+dfsg-1","5.15.19+dfsg-2","5.15.19+dfsg-3","5.15.19+dfsg-4","5.15.8+dfsg-11","5.15.8+dfsg-11+deb12u1","5.15.8+dfsg-11+deb12u2","5.15.8+dfsg-11+deb12u3","5.15.8+dfsg-12","5.15.8+dfsg-13","5.15.9+dfsg-1","5.15.9+dfsg-2","5.15.9+dfsg-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-5455.json"}},{"package":{"name":"qtbase-opensource-src","ecosystem":"Debian:13","purl":"pkg:deb/debian/qtbase-opensource-src?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.15+dfsg-6"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-5455.json"}},{"package":{"name":"qtbase-opensource-src","ecosystem":"Debian:14","purl":"pkg:deb/debian/qtbase-opensource-src?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.15+dfsg-6"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-5455.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:M/U:Clear"}]}