Multiple integer overflows in the (1) fs_get_reply, (2) fs_alloc_glyphs, and (3) fs_read_extent_info functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 allow remote font servers to execute arbitrary code via a crafted xfs reply, which triggers a buffer overflow.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ubuntu_linux | Canonical | 10.04 (including) | 10.04 (including) |
| Ubuntu_linux | Canonical | 12.04 (including) | 12.04 (including) |
| Ubuntu_linux | Canonical | 12.10 (including) | 12.10 (including) |
| Ubuntu_linux | Canonical | 13.10 (including) | 13.10 (including) |
| Ubuntu_linux | Canonical | 14.04 (including) | 14.04 (including) |
| Red Hat Enterprise Linux 5 | RedHat | libXfont-0:1.2.2-1.0.6.el5_11 | * |
| Red Hat Enterprise Linux 6 | RedHat | libXfont-0:1.4.5-4.el6_6 | * |
| Red Hat Enterprise Linux 7 | RedHat | libXfont-0:1.4.7-2.el7_0 | * |
| Libxfont | Ubuntu | lucid | * |
| Libxfont | Ubuntu | precise | * |
| Libxfont | Ubuntu | quantal | * |
| Libxfont | Ubuntu | saucy | * |
| Libxfont | Ubuntu | upstream | * |