5.4
Medium
CVE-2026-15719 We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw
Description
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 152.0 | earliest → < 152.0.6 | 152.0.6 |
| Firefox 140.13 | earliest → < 140.13 | 140.13 |
| Firefox 115.38 | earliest → < 115.38 | 115.38 |
| Thunderbird 140.13 | earliest → < 140.13 | 140.13 |