CVE-2016-2819

Publication date 8 June 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Heap-based buffer overflow in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via foreign-context HTML5 fragments, as demonstrated by fragments within an SVG element.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	16.04 LTS xenial	Fixed 47.0+build3-0ubuntu0.16.04.1
	15.10 wily	Fixed 47.0+build3-0ubuntu0.15.10.1
	14.04 LTS trusty	Fixed 47.0+build3-0ubuntu0.14.04.1
	12.04 LTS precise	Fixed 47.0+build3-0ubuntu0.12.04.1
thunderbird	16.04 LTS xenial	Not affected
	15.10 wily	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-2993-1
Firefox vulnerabilities
9 June 2016