| Package | Affected versions | Patched versions |
|---|---|---|
| x11 | = r7.3 |
The (1) SProcRecordCreateContext and (2) SProcRecordRegisterClients functions in the Record extension and the (3) SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via requests with crafted length values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free