CVE-2025-10530
published 2025-09-16CVE-2025-10530: Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
PriorityP431medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.27%
19.7th percentile
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | — | — |
| mozilla | firefox | < 143.0 | 143.0 |
| mozilla | firefox | — | — |
| mozilla | thunderbird | < 143.0 | 143.0 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
osv6.5MEDIUM
vendor_debian6.5LOW
vendor_redhat6.5MEDIUM
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OSV
CVE-2025-10530: Spoofing issue in the WebAuthn component in Firefox for Android
osv·2025-09-16·CVSS 6.5
CVE-2025-10530 [MEDIUM] CVE-2025-10530: Spoofing issue in the WebAuthn component in Firefox for Android
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 143 and Thunderbird < 143.
GHSA
GHSA-hmr9-3q48-52hr: This vulnerability affects Firefox < 143 and Thunderbird < 143
ghsa_unreviewed·2025-09-16
CVE-2025-10530 [MEDIUM] CWE-290 GHSA-hmr9-3q48-52hr: This vulnerability affects Firefox < 143 and Thunderbird < 143
This vulnerability affects Firefox < 143 and Thunderbird < 143.
Red Hat
firefox: Spoofing issue in the WebAuthn component in Firefox for Android
vendor_redhat·2025-09-16·CVSS 6.5
CVE-2025-10530 [MEDIUM] firefox: Spoofing issue in the WebAuthn component in Firefox for Android
firefox: Spoofing issue in the WebAuthn component in Firefox for Android
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 143 and Thunderbird < 143.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the WebAuthn component in Firefox for Android
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: firefox (Red Hat Enterprise Linux 10) - Not affected
Package: rhel10/firefox-flatpak (Red Hat Enterprise Linux 10) - Not affected
Package: firefox (Red Hat Enterprise Linux 6) - Not affected
Package: firefox (Red Hat Enterprise Linux 7) - Not affected
Package: firefox (Red Hat Enterpris
Debian
CVE-2025-10530: firefox - Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerabil...
vendor_debian·2025·CVSS 6.5
CVE-2025-10530 [MEDIUM] CVE-2025-10530: firefox - Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerabil...
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 143 and Thunderbird < 143.
Scope: local
sid: resolved
Mozilla
Mozilla Foundation Security Advisory 2025-77: CVE-2025-10530
vendor_mozilla·CVSS 6.5
CVE-2025-10530 [MEDIUM] Mozilla Foundation Security Advisory 2025-77: CVE-2025-10530
Mozilla Foundation Security Advisory 2025-77
CVE: CVE-2025-10530
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 143
Mozilla
Mozilla Foundation Security Advisory 2025-73: CVE-2025-10530
vendor_mozilla·CVSS 6.5
CVE-2025-10530 [MEDIUM] Mozilla Foundation Security Advisory 2025-73: CVE-2025-10530
Mozilla Foundation Security Advisory 2025-73
CVE: CVE-2025-10530
Product: Firefox
Impact: high
Fixed in: Firefox 143
No detection rules found.
No public exploits indexed.
2025-09-16
Published