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.
2014-05-15T14:55:07.403
2025-04-12T10:46:40.837
Deferred
CVSSv2: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | canonical | ubuntu_linux | 10.04 | Yes |
| Operating System | canonical | ubuntu_linux | 12.04 | Yes |
| Operating System | canonical | ubuntu_linux | 12.10 | Yes |
| Operating System | canonical | ubuntu_linux | 13.10 | Yes |
| Operating System | canonical | ubuntu_linux | 14.04 | Yes |
| Application | x | libxfont | ≤ 1.4.7 | Yes |
| Application | x | libxfont | 1.2.3 | Yes |
| Application | x | libxfont | 1.2.4 | Yes |
| Application | x | libxfont | 1.2.5 | Yes |
| Application | x | libxfont | 1.2.6 | Yes |
| Application | x | libxfont | 1.2.7 | Yes |
| Application | x | libxfont | 1.2.8 | Yes |
| Application | x | libxfont | 1.2.9 | Yes |
| Application | x | libxfont | 1.3.0 | Yes |
| Application | x | libxfont | 1.3.1 | Yes |
| Application | x | libxfont | 1.3.2 | Yes |
| Application | x | libxfont | 1.3.3 | Yes |
| Application | x | libxfont | 1.3.4 | Yes |
| Application | x | libxfont | 1.4.0 | Yes |
| Application | x | libxfont | 1.4.1 | Yes |
| Application | x | libxfont | 1.4.2 | Yes |
| Application | x | libxfont | 1.4.3 | Yes |
| Application | x | libxfont | 1.4.4 | Yes |
| Application | x | libxfont | 1.4.5 | Yes |
| Application | x | libxfont | 1.4.6 | Yes |
| Application | x | libxfont | 1.4.99 | Yes |