7.5
High
CVE-2026-84132 Information disclosure in the Networking: HTTP component
Description
Information disclosure in the Networking: HTTP component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 155 | earliest → < 155 | 155 |
| Firefox 153.2 | earliest → < 153.2 | 153.2 |
| Thunderbird 155 | earliest → < 155 | 155 |
| Thunderbird 153.2 | earliest → < 153.2 | 153.2 |