6.5
Medium
CVE-2022-22748 Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and…
Description
Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and handling an external URL protocol. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox ESR 91.5 | earliest → < 91.5 | 91.5 |
| Firefox 96 | earliest → < 96 | 96 |
| Thunderbird 91.5 | earliest → < 91.5 | 91.5 |
Other CVEs of Firefox ESR
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Incorrect boundary conditions, integer overflow in the Graphics: Text component
8.8
High
CVE-2026-5731
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and…
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CVE-2026-2447
Heap buffer overflow in libvpx
8.8
High