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CVE-2021-43537 An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a…
Description
An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 91.4 | earliest → < 91.4.0 | 91.4.0 |
| Firefox ESR 91.4 | earliest → < 91.4.0 | 91.4.0 |
| Firefox 95 | earliest → < 95 | 95 |
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