Vulnerability Report

CVE-2013-4549

Title: Digia Qt Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2013-4549.

CWE Category CWE-20

Published Date Dec 23, 2013

Modified Date Apr 29, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

5.22%

Vulnerability Summary

CVE-2013-4549: 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.

Impacted Vendors

trolltech 1

qt 1

digia 1

Reference Links

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 https://codereview.qt-project.org/#change%2C71368 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 https://codereview.qt-project.org/#change%2C71368

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-4549 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

December 23, 2013 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.