gstreamer1-plugins-bad-free: GStreamer: Signed integer overflow in VMnc decoder cursor payload handling

A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with large cursor dimensions can overflow signed integer payload-size arithmetic, bypassing a length check and leading to out-of-bounds reads. A remote attacker could trick a user into opening a...

AZL-35155 CVE-2021-4207 affecting package qemu for versions less than 6.2.0-18

A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values cursor-header.width and cursor-header.height can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use...