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CVE-2020-26960 If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other…
Description
If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 83 | earliest → < 83 | 83 |
| Firefox ESR 78.5 | earliest → < 78.5 | 78.5 |
| Thunderbird 78.5 | earliest → < 78.5 | 78.5 |