CVE-2026-56000

弱点类型

Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.

受影响产品

• x.org x_server
• x.org xwayland

参考链接

• https://gitlab.freedesktop.org/xorg/xserver/-/commit/2779affbdb4354e894f490e56f962527d6125043
• https://www.openwall.com/lists/oss-security/2026/07/08/2