CVE-2026-84135
published 2026-09-01CVE-2026-84135: Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.
PriorityP344critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.45%
38.1th percentile
Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 155 | Firefox 155 |
| mozilla | firefox_mobile | < 155.0 | 155.0 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_redhat9.8CRITICAL
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Red Hat
firefox: Other issue in Firefox Focus for Android
vendor_redhat·2026-09-01·CVSS 9.8
CVE-2026-84135 [CRITICAL] CWE-252 firefox: Other issue in Firefox Focus for Android
firefox: Other issue in Firefox Focus for Android
Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue:
Other issue in Firefox Focus 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 Enterprise Linux 8) - Not affected
Package: firefox (Red Hat Enterprise Linux 9) - Not affected
Mozilla
Mozilla Foundation Security Advisory 2026-82: CVE-2026-84135
vendor_mozilla
CVE-2026-84135 Mozilla Foundation Security Advisory 2026-82: CVE-2026-84135
Mozilla Foundation Security Advisory 2026-82
CVE: CVE-2026-84135
Product: Firefox
Impact: high
Fixed in: Firefox 155
GHSA
Other issue in Firefox Focus for Android.
ghsa_unreviewed·2026-09-01
CVE-2026-84135 Other issue in Firefox Focus for Android.
Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.
No detection rules found.
No public exploits indexed.
2026-09-01
Published