Not rated
CVE-2021-38493 Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13
Description
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox ESR 78.14 | earliest → < 78.14 | 78.14 |
| Thunderbird 78.14 | earliest → < 78.14 | 78.14 |
| Firefox 92 | earliest → < 92 | 92 |
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