qt5-qtbase: Double free in QXmlStreamReader
Published Dec 26, 2018
8.8
HIGHCVSS 3.0
EPSS 2.50%
Description
QXmlStream in Qt 5.x before 5.11.3 has a double-free or corruption during parsing of a specially crafted illegal XML document.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
- 42.3
No data.
Red Hat Enterprise Linux 7
qt-1:4.8.7-8.el7
Fixed · RHSA-2020:1172
Red Hat Enterprise Linux 7
qt5-qt3d-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtbase-0:5.9.7-2.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtcanvas3d-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtconnectivity-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtdeclarative-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtdoc-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtgraphicaleffects-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtimageformats-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtlocation-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtmultimedia-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtquickcontrols-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtquickcontrols2-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtscript-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtsensors-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtserialbus-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtserialport-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtsvg-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qttools-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qttranslations-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtwayland-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtwebchannel-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtwebsockets-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtx11extras-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 7
qt5-qtxmlpatterns-0:5.9.7-1.el7
Fixed · RHSA-2019:2135
Red Hat Enterprise Linux 8
qt5-qtbase-0:5.11.1-7.el8
Fixed · RHSA-2019:3390
Red Hat Enterprise Linux 8
qt5-qttools-0:5.11.1-9.el8
Fixed · RHSA-2019:3390
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | qt-1:4.8.7-8.el7 | Fixed | RHSA-2020:1172 |
| Red Hat Enterprise Linux 7 | qt5-qt3d-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtbase-0:5.9.7-2.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtcanvas3d-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtconnectivity-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtdeclarative-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtdoc-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtgraphicaleffects-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtimageformats-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtlocation-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtmultimedia-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtquickcontrols-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtquickcontrols2-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtscript-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtsensors-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtserialbus-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtserialport-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtsvg-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qttools-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qttranslations-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtwayland-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtwebchannel-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtwebsockets-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtx11extras-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 7 | qt5-qtxmlpatterns-0:5.9.7-1.el7 | Fixed | RHSA-2019:2135 |
| Red Hat Enterprise Linux 8 | qt5-qtbase-0:5.11.1-7.el8 | Fixed | RHSA-2019:3390 |
| Red Hat Enterprise Linux 8 | qt5-qttools-0:5.11.1-9.el8 | Fixed | RHSA-2019:3390 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of qt5-base and qt as shipped with Red Hat Enterprise Linux 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
AV:N/AC:M/Au:N/C:P/I:P/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.50% (0.02502) | 84.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.51% (0.02511) | 82.66th | v5 (v2026.06.15) |
| Apr 12, 2026 | 2.31% (0.02305) | 84.75th | v4 (v2025.03.14) |
| Jan 12, 2026 | 3.40% (0.03403) | 87.06th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.18% (0.02183) | 82.86th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.70% (0.04704) | 81.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.22% (0.01223) | 77.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.19% (0.01187) | 85.74th | v3 (v2023.03.01) |
| May 18, 2024 | 1.19% (0.01187) | 85.03th | v3 (v2023.03.01) |
| Dec 20, 2023 | 1.48% (0.01478) | 85.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.51% (0.01506) | 84.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.48% (0.03480) | 68.33th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.48% (0.03480) | 0.00th | v1 |
References (18)
- http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00066.html vendor-advisoryx_refsource_SUSEPatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00071.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00073.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00090.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/errata/RHSA-2019:2135 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:3390 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-15518 Vendor Advisory
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/ x_refsource_CONFIRMThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1659000 Issue Tracking
- https://codereview.qt-project.org/#/c/236691/ x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00004.html mailing-listx_refsource_MLISTThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html mailing-listx_refsource_MLIST
- https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2018-15518
- https://usn.ubuntu.com/4003-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2018-15518
- https://www.debian.org/security/2019/dsa-4374 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.