CVE-2009-2668 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a denial of service in Internet Explorer by sending a malformed XML document with unclosed tags, requiring user interaction to view the content.

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
None listed

What is CVE-2009-2668?

CVE-2009-2668 is a high-severity denial of service vulnerability in Microsoft Internet Explorer, published on 5 Aug 2009. 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

Microsoft Internet Explorer 6 through 6.0.2900.2180 and 7 through 7.0.6000.16473 allows remote attackers to cause a denial of service (CPU consumption) via an XML document composed of a long series of start-tags with no corresponding end-tags, a related issue to CVE-2009-1232.

Weakness: CWE-399

Which versions are affected by CVE-2009-2668?

It affects 1 product.

Products include Microsoft Internet Explorer.

How do I fix CVE-2009-2668?

No fix has been published for CVE-2009-2668 yet. Limit exposure of the affected software until one is available.

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-2009-2668 being exploited?

There is no known exploitation of CVE-2009-2668 in the wild and no public exploit code.

All Microsoft Internet Explorer vulnerabilities

Sources

Also known as GHSA-69rh-9hxh-3h4x.

Is CVE-2009-2668 in your software?

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

Check your SBOMs for free