Vulnerability in Mozilla Firefox
CVE-2026-16381
Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
Affected products
- Mozilla Firefox — versions 140.13, 153
CVE-2026-16381
Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.