 
        | Release Date: | 2020-10-01 | |
| Impact: | None | What is this? | 
When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
See more information about CVE-2020-15678 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| 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 | 
| Platform | Errata | Release Date | 
| Oracle Linux version 6 (firefox) | ELSA-2020-3835 | 2020-11-14 | 
| Oracle Linux version 6 (thunderbird) | ELSA-2020-4158 | 2020-11-23 | 
| Oracle Linux version 7 (firefox) | ELSA-2020-4080 | 2020-10-13 | 
| Oracle Linux version 7 (thunderbird) | ELSA-2020-4163 | 2020-10-13 | 
| Oracle Linux version 8 (firefox) | ELSA-2020-3832 | 2020-09-24 | 
| Oracle Linux version 8 (thunderbird) | ELSA-2020-4155 | 2020-10-04 | 
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