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A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of t...

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

A buffer overflow flaw was found in X.Org and Xwayland. If XkbChangeTypesOfKey() is called with a 0 group, it will resize the key symbols table to 0 but leave the key actions unchanged. If the same function is later called with a non-zero value of groups, this will cause a buffer...

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

An out-of-bounds write flaw was found in X.Org and Xwayland. The function GetBarrierDevice() searches for the pointer device based on its device ID and returns the matching value, or supposedly NULL, if no match was found. However, the code will return the last element of the lis...

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

An access to an uninitialized pointer flaw was found in X.Org and Xwayland. The function compCheckRedirect() may fail if it cannot allocate the backing pixmap. In that case, compRedirectWindow() will return a BadAlloc error without validating the window tree marked just before, w...

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free.

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called. If one of the changes triggers an error, the func...

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

A flaw was found in the Emacs text editor. Improper handling of custom "man" URI schemes allows malicious users to execute arbitrary shell commands by tricking users into visiting a specially crafted website or an HTTP URL with a redirect.

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS).

Red Hat Red Hat Enterprise Linux 6 Red Hat Red Hat Enterprise Linux 7 Red Hat Red Hat Enterprise Linux 8 Red Hat Red Hat Enterprise Linux 9

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