CVE-2016-5268 Other in n/a

Medium 4.3 Published Updated

Remote attackers can spoof content in Firefox error pages via crafted about: URLs, misleading users about the page origin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-5268?

CVE-2016-5268 is a medium-severity vulnerability in Mozilla Firefox, published on 5 Aug 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Mozilla Firefox before 48.0 does not properly set the LINKABLE and URI_SAFE_FOR_UNTRUSTED_CONTENT flags of about: URLs that are used for error pages, which makes it easier for remote attackers to conduct spoofing attacks via a crafted URL, as demonstrated by misleading text after an about:neterror?d= substring.

Weakness: CWE-254

Which versions are affected by CVE-2016-5268?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2016-5268?

Upgrade to a fixed version.

Is CVE-2016-5268 being exploited?

There is no known exploitation of CVE-2016-5268 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-j5jj-f68h-7qh9, UBUNTU-CVE-2016-5268.

Is CVE-2016-5268 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free