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CVE-2020-6806 By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array…
Description
By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 68.6 | earliest → < 68.6 | 68.6 |
| Firefox 74 | earliest → < 74 | 74 |
| Firefox ESR 68.6 | earliest → < 68.6 | 68.6 |
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