Description
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->6.5.8, 6.6.0->6.8.3 and 6.9.0. This has been fixed in 5.15.19, 6.5.9, 6.8.4 and 6.9.1.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 11 | | =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 || =5.15.18+dfsg-1 || =5.15.18+dfsg-2 || =5.15.2+dfsg-10 || =5.15.2+dfsg-11 || =5.15.2+dfsg-12 || =5.15.2+dfsg-13 || =5.15.2+dfsg-14 || =5.15.2+dfsg-15 || =5.15.2+dfsg-16 || =5.15.2+dfsg-9 || =5.15.2+dfsg-9+deb11u1 || =5.15.2+dfsg-9+deb11u2 || =5.15.3+dfsg-1 || =5.15.3+dfsg-2 || =5.15.4+dfsg-1 || =5.15.4+dfsg-2 || =5.15.4+dfsg-3 || =5.15.4+dfsg-4 || =5.15.4+dfsg-5 || =5.15.5+dfsg-1 || =5.15.5+dfsg-2 || =5.15.5+dfsg-3 || =5.15.6+dfsg-1 || =5.15.6+dfsg-2 || =5.15.6+dfsg-3 || =5.15.6+dfsg-4 || =5.15.6+dfsg-5 || =5.15.7+dfsg-1 || =5.15.7+dfsg-2 || =5.15.7+dfsg-3 || =5.15.8+dfsg-1 || =5.15.8+dfsg-10 || =5.15.8+dfsg-11 || =5.15.8+dfsg-12 || =5.15.8+dfsg-13 || =5.15.8+dfsg-2 || =5.15.8+dfsg-3 || =5.15.8+dfsg-4 || =5.15.8+dfsg-5 || =5.15.8+dfsg-6 || =5.15.8+dfsg-7 || =5.15.8+dfsg-8 || =5.15.8+dfsg-9 || =5.15.9+dfsg-1 || =5.15.9+dfsg-2 || =5.15.9+dfsg-3 | - |
debian 12 | | =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 || =5.15.18+dfsg-1 || =5.15.18+dfsg-2 || =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 | - |
debian 12 | | =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-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 || =6.4.2+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 | - |
debian 13 | | | 6.8.2+dfsg-8 |
debian 14 | | | 6.8.2+dfsg-8 |
debian 13 | | | 5.15.15+dfsg-6 |
debian 14 | | | 5.15.15+dfsg-6 |
 rpm rhel7 | | - | - |
rpm rhel8 | | - | - |
rpm rhel9 | | | 0:5.15.9-11.el9_6 |
