CVE-2006-7225 Denial of service in n/a
A malformed POSIX character class in the PCRE library can cause a crash or error, leading to denial of service for applications using it.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2006-7225?
CVE-2006-7225 is a medium-severity denial of service vulnerability in n/a, published on 3 Dec 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to cause a denial of service (error or crash) via a regular expression that involves a "malformed POSIX character class", as demonstrated via an invalid character after a [[ sequence.
Weakness: CWE-20
Which versions are affected by CVE-2006-7225?
It affects 1 product.
Products include Perl Pcre.
How do I fix CVE-2006-7225?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2006-7225 being exploited?
There is no known exploitation of CVE-2006-7225 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2006-7225, GHSA-jwp9-5mxp-g76g.