CVE-2021-23995
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- CVE-2021-23995
CVE Details
| Release Date: | 2021-06-24 | |
| Impact: | None | What is this? |
Description
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.
See more information about CVE-2021-23995 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 8.8 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (firefox) | ELSA-2021-1363 | 2021-04-27 |
| Oracle Linux version 7 (thunderbird) | ELSA-2021-1350 | 2021-04-27 |
| Oracle Linux version 8 (firefox) | ELSA-2021-1360 | 2021-04-27 |
| Oracle Linux version 8 (thunderbird) | ELSA-2021-1353 | 2021-04-27 |
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