Not rated
CVE-2021-43534 Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. 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 < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 94 | earliest → < 94 | 94 |
| Thunderbird 91.3 | earliest → < 91.3 | 91.3 |
| Firefox ESR 91.3 | earliest → < 91.3 | 91.3 |
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