CVE-2006-7230 Denial of service in n/a

Medium 4.3 Published Updated

Crafted regular expressions can cause a crash in the PCRE library, 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-2006-7230?

CVE-2006-7230 is a medium-severity denial of service vulnerability in n/a, published on 15 Nov 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 7.0 does not properly calculate the amount of memory needed for a compiled regular expression pattern when the (1) -x or (2) -i UTF-8 options change within the pattern, which allows context-dependent attackers to cause a denial of service (PCRE or glibc crash) via crafted regular expressions.

Weakness: CWE-189

Which versions are affected by CVE-2006-7230?

It affects 1 product.

Products include Pcre Pcre.

How do I fix CVE-2006-7230?

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-2006-7230 being exploited?

There is no known exploitation of CVE-2006-7230 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2006-7230, GHSA-64q5-vm73-jhjp.

Is CVE-2006-7230 in your software?

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

Check your SBOMs for free