CVE-2013-7439
HIGH severity · CVSS 7.5 · CWE-189
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)4%
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://lists.x.org/archives/xorg-announce/2015-April/002561.html ↗
Additional information
- NVD record
- http://lists.x.org/archives/xorg-announce/2015-April/002561.htmlPatch
- http://seclists.org/oss-sec/2015/q2/81Advisory
- http://www.debian.org/security/2015/dsa-3224Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.securityfocus.com/bid/73962Advisory
- http://www.ubuntu.com/usn/USN-2568-1Advisory
- https://bugs.freedesktop.org/show_bug.cgi?id=56508