CVE-2023-4056
Critical
Description
Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. 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 < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedAug 1, 2023
First seenAug 1, 2023
How to fix
Update
- mozilla firefox116.0, 102.14, 115.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 116.0, 102.0 ≤ v < 102.14, 115.0 ≤ v < 115.1 | 116.0, 102.14, 115.1 |
| debian debian_linux | 10.0, 11.0, 12.0 | — |
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