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CVE-2026-74951: Clickjacking issue in Firefox for Android

27
Routine
MEDIUM 6.5UPGRADE

CVE-2026-74951 is a medium-severity flaw (CVSS 6.5) affecting firefox mobile. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Clickjacking issue in Firefox for Android. This vulnerability was fixed in Firefox 154.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.3% (top 81%)
CISA exploited listNo
WeaknessCWE-1021
Published2026-08-18
Last modified2026-10-22
Publisher (CNA): Mozilla Corporation · Vendor: mozilla

Am I affected?

Timeline

mozilla firefox mobile UPGRADE
Affected: < 154.0
Fixed in: 154.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy firefox-mobile || rpm -q firefox-mobile || firefox-mobile --version
2. UPGRADE to 154.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade firefox-mobile
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade firefox-mobile
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Related CVEs

References

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