CVE-2025-9183
published 2025-08-19CVE-2025-9183: Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 142 and Firefox ESR 140.2.
PriorityP430medium6.5CVSS 3.1
AVNACLPRNUIRSUCNIHAN
EPSS
0.23%
13.9th percentile
Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 142 and Firefox ESR 140.2.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 142.0-1 (sid) | firefox 142.0-1 (sid) |
| mozilla | firefox | < 140.2.0 | 140.2.0 |
| mozilla | firefox | < 142.0 | 142.0 |
| mozilla | firefox | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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Red Hat
firefox: Spoofing issue in the Address Bar component
vendor_redhat·2025-08-19·CVSS 6.5
CVE-2025-9183 [MEDIUM] CWE-451 firefox: Spoofing issue in the Address Bar component
firefox: Spoofing issue in the Address Bar component
Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Spoofing issue in the Address Bar component.
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 Enterprise Linux 8) - Not affected
Package: firefox (Red Hat Ente
Debian
CVE-2025-9183: firefox - Spoofing issue in the Address Bar component. This vulnerability affects Firefox ...
vendor_debian·2025·CVSS 6.5
CVE-2025-9183 [MEDIUM] CVE-2025-9183: firefox - Spoofing issue in the Address Bar component. This vulnerability affects Firefox ...
Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2.
Scope: local
sid: resolved (fixed in 142.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-64: CVE-2025-9183
vendor_mozilla·CVSS 6.5
CVE-2025-9183 [MEDIUM] Mozilla Foundation Security Advisory 2025-64: CVE-2025-9183
Mozilla Foundation Security Advisory 2025-64
CVE: CVE-2025-9183
Product: Firefox
Impact: high
Fixed in: Firefox 142
Mozilla
Mozilla Foundation Security Advisory 2025-67: CVE-2025-9183
vendor_mozilla·CVSS 6.5
CVE-2025-9183 [MEDIUM] Mozilla Foundation Security Advisory 2025-67: CVE-2025-9183
Mozilla Foundation Security Advisory 2025-67
CVE: CVE-2025-9183
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 140.2
OSV
CVE-2025-9183: Spoofing issue in the Address Bar component
osv·2025-08-19·CVSS 6.5
CVE-2025-9183 [MEDIUM] CVE-2025-9183: Spoofing issue in the Address Bar component
Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2.
GHSA
GHSA-vhcx-3xrg-8hjg: Spoofing issue in the Address Bar component
ghsa_unreviewed·2025-08-19
CVE-2025-9183 [MEDIUM] CWE-451 GHSA-vhcx-3xrg-8hjg: Spoofing issue in the Address Bar component
Spoofing issue in the Address Bar component. This vulnerability affects Firefox < 142 and Firefox ESR < 140.2.
No detection rules found.
No public exploits indexed.
2025-08-19
Published