Xorg-x11-server vulnerabilities
We track 9 vulnerabilities in Xorg-x11-server products. 9 are rated high or critical, and none are known to be exploited. The most recent was published on March 27, 2023.
Latest Xorg-x11-server vulnerabilities
- 7.8 High severity
xorg-x11-server: Use After Free
A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation
- 7.8 High severity
xorg-x11-server: Use After Free
A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges e
- 8.8 High severity
xorg-x11-server: Out-of-bounds Read
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in out-of-bounds memory reads and potential information disclosure. This issue can lead to local privil
- 8.8 High severity
xorg-x11-server: Use After Free
A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running p
- 8.8 High severity
xorg-x11-server: Use After Free
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X se
- 8.8 High severity
xorg-x11-server: Out-of-bounds Write
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a high keycode or button code. This issue can lead to local privileges elevation on systems where
- 8.8 High severity
xorg-x11-server: Out-of-bounds Write
A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger than 32 bytes are sent through a the XTestFakeInput request.
- 7.8 High severity
xorg-x11-server: Out-of-bounds Write
A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated
- 7.8 High severity
xorg-x11-server: Improper Protection for Outbound Error Messages and Alert Signals
A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the ProcXkbSetGeometry function due to improper validation of the request length.