Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.
References
| Link | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1701942 | Issue Tracking Permissions Required Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-16/ | Release Notes Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1701942 | Issue Tracking Permissions Required Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-16/ | Release Notes Vendor Advisory |
Configurations
History
21 Nov 2024, 05:52
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://bugzilla.mozilla.org/show_bug.cgi?id=1701942 - Issue Tracking, Permissions Required, Vendor Advisory | |
| References | () https://www.mozilla.org/security/advisories/mfsa2021-16/ - Release Notes, Vendor Advisory |
02 Jul 2021, 17:21
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : 6.8
v3 : 8.8 |
| CPE | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | |
| CWE | CWE-681 | |
| References | (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1701942 - Issue Tracking, Permissions Required, Vendor Advisory | |
| References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-16/ - Release Notes, Vendor Advisory |
24 Jun 2021, 14:20
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2021-06-24 14:15
Updated : 2024-11-21 05:52
NVD link : CVE-2021-23997
Mitre link : CVE-2021-23997
CVE.ORG link : CVE-2021-23997
JSON object : View
Products Affected
mozilla
- firefox
CWE
CWE-681
Incorrect Conversion between Numeric Types