Mozilla developers and community members reported memory safety bugs present in Firefox ESR 60.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 60.3 and Thunderbird < 60.3.
History

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

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

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2019-02-28T18:00:00

Updated: 2024-08-05T08:31:00.289Z

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

Link: CVE-2018-12389

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-02-28T18:29:00.320

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

Link: CVE-2018-12389

cve-icon Redhat

Severity : Low

Publid Date: 2018-10-23T00:00:00Z

Links: CVE-2018-12389 - Bugzilla