CVE-2013-7439: Buffer Overflow
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2013-7439?
CVE-2013-7439 is considered to have a high severity due to its potential to cause buffer overflow vulnerabilities.
How do I fix CVE-2013-7439?
To mitigate CVE-2013-7439, update libX11 to version 1.6.0 or later, or apply available patches for the affected versions.
What are the affected versions for CVE-2013-7439?
CVE-2013-7439 affects libX11 versions prior to 1.6.0, including specific versions like 1.0.1 to 1.5.99.902.
Can CVE-2013-7439 be exploited remotely?
Yes, CVE-2013-7439 can be exploited remotely by sending crafted requests to the vulnerable application.
What applications use libX11 and may be affected by CVE-2013-7439?
Applications that rely on X.Org's libX11 for graphical user interface functionality may be affected by CVE-2013-7439.