CVE-2020-26950
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- CVE-2020-26950
CVE Details
| Release Date: | 2020-12-09 | |
| Impact: | None | What is this? |
Description
In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.
See more information about CVE-2020-26950 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 6 (firefox) | ELSA-2020-5104 | 2020-11-14 |
| Oracle Linux version 6 (thunderbird) | ELSA-2020-5164 | 2020-11-23 |
| Oracle Linux version 7 (firefox) | ELSA-2020-5099 | 2020-11-13 |
| Oracle Linux version 7 (thunderbird) | ELSA-2020-5163 | 2020-11-24 |
| Oracle Linux version 8 (firefox) | ELSA-2020-5100 | 2020-11-17 |
| Oracle Linux version 8 (thunderbird) | ELSA-2020-5146 | 2020-11-19 |
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