VDB
CVE-2026-2634
CVE-2026-2634
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-controlled pages to be presented under spoofed domains. This vulnerability affects Firefox for iOS < 147.4.
EPSS 0.07% · 20.5th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.07%
20.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| mozilla | firefox | 0, 0 |
Timeline
- Feb 17, 2026 CVE ID Reserved
- Feb 24, 2026 CVE Published
- Feb 25, 2026 EPSS Score
- Feb 27, 2026 EPSS Score
- Feb 28, 2026 EPSS Score
- Mar 2, 2026 EPSS Score
- Mar 3, 2026 EPSS Score
- Mar 5, 2026 EPSS Score
- Mar 6, 2026 EPSS Score
- Mar 8, 2026 EPSS Score
- Mar 9, 2026 EPSS Score
- Mar 11, 2026 EPSS Score
References
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-14/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-15/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-12/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-13/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-17/ advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2026-16/ advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1975529 issue
- https://www.mozilla.org/security/advisories/mfsa2026-12/ advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-2634 advisory
- https://www.mozilla.org/security/advisories/mfsa2026-12 url