Buffer overflow in the X render (Xrender) extension in X.org X server 6.8.0 up to allows attackers to cause a denial of service (crash), as demonstrated by the (1) XRenderCompositeTriStrip and (2) XRenderCompositeTriFan requests in the rendertest from XCB xcb/xcb-demo, which leads to an incorrect memory allocation due to a typo in an expression that uses a & instead of a * operator. NOTE: the subject line of the original announcement used an incorrect CVE number for this issue.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| X11r6 | X.org | 6.7.0 (including) | 6.7.0 (including) |
| X11r6 | X.org | 6.8 (including) | 6.8 (including) |
| X11r6 | X.org | 6.8.1 (including) | 6.8.1 (including) |
| X11r6 | X.org | 6.9 (including) | 6.9 (including) |