CVE-2017-7824

Publication date 2 October 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A buffer overflow occurs when drawing and validating elements with the ANGLE graphics library, used for WebGL content. This is due to an incorrect value being passed within the library during checks and results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	18.04 LTS bionic	Fixed in 56.0+build6-0ubuntu1
	17.10 artful	Fixed in 56.0+build6-0ubuntu1
	17.04 zesty	Fixed in 56.0+build6-0ubuntu0.17.04.1
	16.04 LTS xenial	Fixed in 56.0+build6-0ubuntu0.16.04.1
	14.04 LTS trusty	Fixed in 56.0+build6-0ubuntu0.14.04.1
thunderbird	18.04 LTS bionic	Fixed in 1:52.4.0+build1-0ubuntu2
	17.10 artful	Fixed in 1:52.4.0+build1-0ubuntu2
	17.04 zesty	Fixed in 1:52.4.0+build1-0ubuntu0.17.04.2
	16.04 LTS xenial	Fixed in 1:52.4.0+build1-0ubuntu0.16.04.2
	14.04 LTS trusty	Fixed in 1:52.4.0+build1-0ubuntu0.14.04.2

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	9.8 · Critical
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3436-1
Thunderbird vulnerabilities
11 October 2017

USN-3435-1
Firefox vulnerabilities
2 October 2017