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.
History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2020-07-09T13:54:29

Updated: 2024-08-05T08:31:00.284Z

Reserved: 2018-06-14T00:00:00

Link: CVE-2018-12371

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-07-09T14:15:10.447

Modified: 2025-11-25T17:50:16.803

Link: CVE-2018-12371

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-06-26T00:00:00Z

Links: CVE-2018-12371 - Bugzilla