8.8
CVE-2021-23995
- EPSS 0.87%
- Published 24.06.2021 14:15:09
- Last modified 21.11.2024 05:52:10
- Source security@mozilla.org
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When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Data is provided by the National Vulnerability Database (NVD)
Mozilla ≫ Firefox ESR Version < 78.10
Mozilla ≫ Thunderbird Version < 78.10
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.87% | 0.744 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 8.8 | 2.8 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 5.1 | 4.9 | 6.4 |
AV:N/AC:H/Au:N/C:P/I:P/A:P
|
CWE-672 Operation on a Resource after Expiration or Release
The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked.