The bufferdata function in WebGL is vulnerable to a buffer overflow with specific graphics drivers on Linux. This could result in malicious content freezing a tab or triggering a potentially exploitable crash. *Note: this issue only occurs on Linux. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
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:

Updated: 2024-08-04T23:03:32.198Z

Reserved: 2019-05-03T00:00:00

Link: CVE-2019-11693

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-07-23T14:15:14.107

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

Link: CVE-2019-11693

cve-icon Redhat

Severity : Important

Publid Date: 2019-05-22T00:00:00Z

Links: CVE-2019-11693 - Bugzilla