CVE-2013-4549 XML external entity in n/a

Medium 5.0 Published 23 Dec 2013 Updated 6 Aug 2024

Attackers can cause denial of service via memory consumption in Qt's XML parser using XML Entity Expansion attacks.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2013-4549?

CVE-2013-4549 is a medium-severity vulnerability in Qt Qt, published on 23 Dec 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

QXmlSimpleReader in Qt before 5.2 allows context-dependent attackers to cause a denial of service (memory consumption) via an XML Entity Expansion (XEE) attack.

Weakness: CWE-20

Which versions are affected by CVE-2013-4549?

It affects 2 products.

Products include Digia Qt, Qt Qt.

How do I fix CVE-2013-4549?

Upgrade to a fixed version.

Is CVE-2013-4549 being exploited?

There is no known exploitation of CVE-2013-4549 in the wild and no public exploit code.

All Qt Qt vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4549, GHSA-73gj-v8wr-fjfj, MGASA-2014-0009, MGASA-2014-0115, UBUNTU-CVE-2013-4549.