CVE-2018-12371 Information

Description

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR 60.1 Thunderbird 60 and Firefox 61.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1465686 https://www.mozilla.org/security/advisories/mfsa2018-15/ https://www.mozilla.org/security/advisories/mfsa2018-16/ https://www.mozilla.org/security/advisories/mfsa2018-19/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8