CVEvulnerability

CVE-2007-4990

7.5 HIGH Published 2007-10-05 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2007-10-05
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-189

Description

The swap_char2b function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.

Affected configurations

• x.org x font server (<= 1.0.4)

Related

Weakness · not in database (1)

References