CVE-2013-4396
xorg-x11-server: use-after-free flaw when handling ImageText requests
Severity
ImportantRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · October 8, 2013
Updated · November 21, 2025
Description
Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 7.4AV:A/AC:M/Au:S/C:C/I:C/A:C
CWE-416 · Use After Free