CVE-2020-12387
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- CVE-2020-12387
CVE Details
| Release Date: | 2020-05-26 | |
| Impact: | None | What is this? |
Description
A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
See more information about CVE-2020-12387 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: | 8.1 |
| Vector String: | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | High |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (firefox) | ELSA-2020-2036 | 2020-07-07 |
| Oracle Linux version 6 (thunderbird) | ELSA-2020-2049 | 2020-07-07 |
| Oracle Linux version 7 (firefox) | ELSA-2020-2037 | 2020-05-07 |
| Oracle Linux version 7 (thunderbird) | ELSA-2020-2050 | 2020-05-12 |
| Oracle Linux version 8 (firefox) | ELSA-2020-2031 | 2020-05-09 |
| Oracle Linux version 8 (thunderbird) | ELSA-2020-2046 | 2020-05-12 |
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