Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11 before 1.6.0 allow remote attackers to have unspecified impact via a crafted request, which triggers a buffer overflow.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libx11 | X.org | 1.0.1 (including) | 1.0.1 (including) |
| Libx11 | X.org | 1.0.2 (including) | 1.0.2 (including) |
| Libx11 | X.org | 1.0.3 (including) | 1.0.3 (including) |
| Libx11 | X.org | 1.1 (including) | 1.1 (including) |
| Libx11 | X.org | 1.1-rc1 (including) | 1.1-rc1 (including) |
| Libx11 | X.org | 1.1-rc2 (including) | 1.1-rc2 (including) |
| Libx11 | X.org | 1.1.4 (including) | 1.1.4 (including) |
| Libx11 | X.org | 1.1.5 (including) | 1.1.5 (including) |
| Libx11 | X.org | 1.1.6 (including) | 1.1.6 (including) |
| Libx11 | X.org | 1.1.99.1 (including) | 1.1.99.1 (including) |
| Libx11 | X.org | 1.1.99.2 (including) | 1.1.99.2 (including) |
| Libx11 | X.org | 1.2 (including) | 1.2 (including) |
| Libx11 | X.org | 1.2.1 (including) | 1.2.1 (including) |
| Libx11 | X.org | 1.2.2 (including) | 1.2.2 (including) |
| Libx11 | X.org | 1.3 (including) | 1.3 (including) |
| Libx11 | X.org | 1.3.1 (including) | 1.3.1 (including) |
| Libx11 | X.org | 1.3.2 (including) | 1.3.2 (including) |
| Libx11 | X.org | 1.3.3 (including) | 1.3.3 (including) |
| Libx11 | X.org | 1.3.4 (including) | 1.3.4 (including) |
| Libx11 | X.org | 1.3.5 (including) | 1.3.5 (including) |
| Libx11 | X.org | 1.3.6 (including) | 1.3.6 (including) |
| Libx11 | X.org | 1.3.99.901 (including) | 1.3.99.901 (including) |
| Libx11 | X.org | 1.3.99.902 (including) | 1.3.99.902 (including) |
| Libx11 | X.org | 1.3.99.903 (including) | 1.3.99.903 (including) |
| Libx11 | X.org | 1.4.0 (including) | 1.4.0 (including) |
| Libx11 | X.org | 1.4.1 (including) | 1.4.1 (including) |
| Libx11 | X.org | 1.4.2 (including) | 1.4.2 (including) |
| Libx11 | X.org | 1.4.3 (including) | 1.4.3 (including) |
| Libx11 | X.org | 1.4.4 (including) | 1.4.4 (including) |
| Libx11 | X.org | 1.4.99.901 (including) | 1.4.99.901 (including) |
| Libx11 | X.org | 1.4.99.902 (including) | 1.4.99.902 (including) |
| Libx11 | X.org | 1.5.0 (including) | 1.5.0 (including) |
| Libx11 | X.org | 1.5.99.901 (including) | 1.5.99.901 (including) |
| Libx11 | X.org | 1.5.99.902 (including) | 1.5.99.902 (including) |