high7.5
CVE-2026-16405
Information disclosure in the Networking: WebSockets component.
Impact
Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 153.0.0 from 140.1.0 before 140.13.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=2036591
- https://www.mozilla.org/security/advisories/mfsa2026-68/
- https://www.mozilla.org/security/advisories/mfsa2026-70/
- https://www.mozilla.org/security/advisories/mfsa2026-71/
- https://www.mozilla.org/security/advisories/mfsa2026-72/