CVE-2013-7439

Publication date 9 April 2015

Last updated 24 July 2024

Ubuntu priority

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libx11	14.10 utopic	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Fixed 2:1.4.99.1-0ubuntu2.3
	10.04 LTS lucid	Ignored
libxrender	14.10 utopic	Fixed 1:0.9.8-1build0.14.10.1
	14.04 LTS trusty	Fixed 1:0.9.8-1build0.14.04.1
	12.04 LTS precise	Fixed 1:0.9.6-2ubuntu0.2
	10.04 LTS lucid	Ignored

Notes

mdeslaur

all build dependencies that use the MakeBigReq macro, or that use the SetReqLen macro need to be rebuilt

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libx11	Upstream: ?id=395

References

Related Ubuntu Security Notices (USN)