QtXML: XML entity expansion denial of service
Published Dec 23, 2013
5.0
MEDIUMCVSS 2.0
EPSS 3.10%
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
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.10% (0.03105) | 87.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.10% (0.03105) | 86.03th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.22% (0.05217) | 88.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.51% (0.09511) | 87.95th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.22% (0.05217) | 89.22th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.20% (0.03198) | 90.97th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.30% (0.01296) | 86.42th | v3 (v2023.03.01) |
| Aug 5, 2023 | 1.30% (0.01296) | 84.08th | v3 (v2023.03.01) |
| Jun 19, 2023 | 1.47% (0.01466) | 84.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.59% (0.01594) | 85.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (17)
- http://blog.qt.digia.com/blog/2014/04/24/qt-4-8-6-released/ x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132395.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00044.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00047.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00085.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00104.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00106.html vendor-advisoryx_refsource_SUSE
- http://lists.qt-project.org/pipermail/announce/2013-December/000036.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/56008 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/56166 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.ubuntu.com/usn/USN-2057-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-4549 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=955375 Issue Tracking
- https://codereview.qt-project.org/#change%2C71010 x_refsource_CONFIRM
- https://codereview.qt-project.org/#change%2C71368 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2013-4549
- https://www.cve.org/CVERecord?id=CVE-2013-4549
Change history (0)
No recorded changes yet.