7.5
High
CVE-2023-5728 During garbage collection extra operations were performed on a object that should not be
Description
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 119 | earliest → < 119 | 119 |
| Firefox ESR 115.4 | earliest → < 115.4 | 115.4 |
| Thunderbird 115.4 | earliest → < 115.4.1 | 115.4.1 |
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