What’s Vulnerable › Vulnerabilities

CVE-2013-4549

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-12-23 · updated 2026-06-16
• Weakness: CWE-20

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.

Affected products

• Digia Qt: through 5.1.0
• Qt: 5.0.2

References

• http://blog.qt.digia.com/blog/2014/04/24/qt-4-8-6-released/
• http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132395.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00044.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00047.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00085.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00104.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00106.html
• http://lists.qt-project.org/pipermail/announce/2013-December/000036.html
• http://secunia.com/advisories/56008
• http://secunia.com/advisories/56166
• http://www.ubuntu.com/usn/USN-2057-1
• https://codereview.qt-project.org/#change%2C71010

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