What’s Vulnerable › Vulnerabilities
CVE-2024-36048
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-05-18 · updated 2026-06-17
- Weakness: CWE-335
Description
QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.6, and 6.6.x through 6.7.x before 6.7.1 uses only the time to seed the PRNG, which may result in guessable values.
Affected products
- Fedoraproject Fedora: 39, 40
- Qt: before 5.15.17; from 6.0.0 before 6.2.13; from 6.3.0 before 6.5.6; from 6.6.0 before 6.7.1 — fixed in 5.15.17, 6.2.13, 6.5.6, 6.7.1
How to fix
Upgrade to a fixed version: Qt 5.15.17, 6.2.13, 6.5.6, 6.7.1. Check the vendor advisory for mitigations.
References
- https://codereview.qt-project.org/c/qt/qtnetworkauth/+/560317
- https://codereview.qt-project.org/c/qt/qtnetworkauth/+/560368
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGB6KUPJFQWUBKXVDPJUMAD6KNJJEWPW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZOOZZZSK5PNRHFGQMUGUHVYWLILFJCRS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPHAI3DKDCIU6XLNS6PV6GFS2PHH3GZM/
- https://codereview.qt-project.org/c/qt/qtnetworkauth/+/560317
- https://codereview.qt-project.org/c/qt/qtnetworkauth/+/560368
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGB6KUPJFQWUBKXVDPJUMAD6KNJJEWPW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZOOZZZSK5PNRHFGQMUGUHVYWLILFJCRS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPHAI3DKDCIU6XLNS6PV6GFS2PHH3GZM/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGB6KUPJFQWUBKXVDPJUMAD6KNJJEWPW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZOOZZZSK5PNRHFGQMUGUHVYWLILFJCRS/
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