CVE-2006-4566 Memory corruption in n/a

Medium 5.0 Published Updated

Remote attackers can crash Mozilla Firefox, Thunderbird, or SeaMonkey by sending a malformed JavaScript regular expression, causing a denial of service.

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-2006-4566?

CVE-2006-4566 is a medium-severity memory corruption vulnerability in Mozilla Firefox, published on 15 Sep 2006. 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 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) via a malformed JavaScript regular expression that ends with a backslash in an unterminated character set ("[\\"), which leads to a buffer over-read.

Which versions are affected by CVE-2006-4566?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird.

How do I fix CVE-2006-4566?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2006-4566 being exploited?

There is no known exploitation of CVE-2006-4566 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as DEBIAN-CVE-2006-4566, GHSA-vr27-vq6j-wvvp.

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