CVE-2012-5839

CVE Details

Release Date:	2012-11-20
Impact:	Critical	What is this?

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.

See more information about CVE-2012-5839 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	6.8
Vector String:	AV:N/AC:M/Au:N/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (firefox)	ELSA-2012-1482	2012-11-20
Oracle Linux version 5 (thunderbird)	ELSA-2012-1483	2012-11-20
Oracle Linux version 5 (xulrunner)	ELSA-2012-1482	2012-11-20
Oracle Linux version 6 (firefox)	ELSA-2012-1482	2012-11-20
Oracle Linux version 6 (thunderbird)	ELSA-2012-1483	2012-11-20
Oracle Linux version 6 (xulrunner)	ELSA-2012-1482	2012-11-20