Oracle Linux: CVE-2020-15678: ELSA-2020-4163: thunderbird security update (IMPORTANT) (Multiple Advisories)
Description
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. The Mozilla Foundation Security Advisory describes this flaw as: 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.
Solution(s)
- oracle-linux-upgrade-firefox
- oracle-linux-upgrade-hunderbird
- oracle-linux-upgrade-thunderbird
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