Source: qemu Version: 1:10.1.0+ds-5 Severity: important Tags: security upstream Forwarded: https://lists.nongnu.org/archive/html/qemu-devel/2025-09/msg06566.html X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for qemu. CVE-2025-11234[0]: | A flaw was found in QEMU. If the QIOChannelWebsock object is freed | while it is waiting to complete a handshake, a GSource is leaked. | This can lead to the callback firing later on and triggering a use- | after-free in the use of the channel. This can be abused by a | malicious client with network access to the VNC WebSocket port to | cause a denial of service during the WebSocket handshake prior to | the VNC client authentication. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2025-11234 https://www.cve.org/CVERecord?id=CVE-2025-11234 [1] https://lists.nongnu.org/archive/html/qemu-devel/2025-09/msg06566.html Please adjust the affected versions in the BTS as needed. Regards, Salvatore
