CVE-2012-5839

Name	CVE-2012-5839
Description	Heap-based buffer overflow in the gfxShapedWord::CompressedGlyph::IsClusterStart function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code via unspecified vectors.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
iceape	source	squeeze	(not affected)
iceape	source	(unstable)	2.7.11-1
icedove	source	squeeze	(not affected)
icedove	source	(unstable)	10.0.11-1
iceweasel	source	squeeze	(not affected)
iceweasel	source	(unstable)	10.0.11esr-1

Notes

[squeeze] - iceweasel <not-affected> (Vulnerable code not present)
[squeeze] - icedove <not-affected> (Vulnerable code not present)
[squeeze] - iceape <not-affected> (Vulnerable code not present)