CVE-2018-12359

CVE Details

Release Date:	2018-10-18
Impact:	Critical	What is this?

Description

A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

See more information about CVE-2018-12359 from MITRE CVE dictionary and NIST NVD

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

CVSS v3 metrics

Base Score:	8.8
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (thunderbird)	ELSA-2018-2251	2018-07-24
Oracle Linux version 7 (firefox)	ELSA-2018-2113	2018-07-04
Oracle Linux version 7 (thunderbird)	ELSA-2018-2252	2018-07-24