CVE-2018-19870: Null Pointer Dereference
First published: Thu Dec 13 2018(Updated: )
A possible QImage allocation failure was found in qgifhandler. A crafted file could cause the application to crash. Upstream patch: <a href="https://codereview.qt-project.org/#/c/235998/">https://codereview.qt-project.org/#/c/235998/</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Qt Qt | <5.11.3 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| openSUSE Leap | =15.0 | |
| ubuntu/qtbase-opensource-src | <5.9.5+dfsg-0ubuntu2.1 | 5.9.5+dfsg-0ubuntu2.1 |
| ubuntu/qtbase-opensource-src | <5.11.1+dfsg-7ubuntu3.1 | 5.11.1+dfsg-7ubuntu3.1 |
| ubuntu/qtbase-opensource-src | <5.11.3+dfsg-2ubuntu1 | 5.11.3+dfsg-2ubuntu1 |
| ubuntu/qtbase-opensource-src | <5.11.3 | 5.11.3 |
| ubuntu/qtbase-opensource-src | <5.5.1+dfsg-16ubuntu7.6 | 5.5.1+dfsg-16ubuntu7.6 |
| debian/qtbase-opensource-src | 5.15.2+dfsg-9+deb11u1 5.15.8+dfsg-11+deb12u2 5.15.13+dfsg-4 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00080.html
- https://access.redhat.com/errata/RHSA-2019:2135
- https://access.redhat.com/errata/RHSA-2019:3390
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/
- https://codereview.qt-project.org/#/c/235998/
- https://lists.debian.org/debian-lts-announce/2019/01/msg00004.html
- https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html
- https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html
- https://usn.ubuntu.com/4003-1/
- https://www.debian.org/security/2019/dsa-4374
- https://launchpad.net/bugs/cve/CVE-2018-19870
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1659004
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1659001
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1659003
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1659002
- https://access.redhat.com/security/cve/cve-2018-19870
- https://access.redhat.com/errata/RHSA-2020:1172
- https://bugzilla.redhat.com/show_bug.cgi?id=1658996
- https://github.com/qt/qtbase/commit/2841e2b61e32f26900bde987d469c8b97ea31999
- https://security-tracker.debian.org/tracker/CVE-2018-19870
- https://ubuntu.com/security/notices/USN-4003-1
- https://www.cve.org/CVERecord?id=CVE-2018-19870
- https://nvd.nist.gov/vuln/detail/CVE-2018-19870
- https://codereview.qt-project.org/gitweb?p=qt%2Fqtbase.git;a=commit;h=2841e2b61e32f26900bde987d469c8b97ea31999
- https://ubuntu.com/security/CVE-2018-19870
Frequently Asked Questions
What is CVE-2018-19870?
CVE-2018-19870 is a vulnerability in Qt before version 5.11.3 that allows a malformed GIF image to cause a NULL pointer dereference, resulting in a segmentation fault.
How severe is CVE-2018-19870?
CVE-2018-19870 has a severity rating of high with a CVSS score of 8.8.
How does CVE-2018-19870 affect Qt?
CVE-2018-19870 affects Qt versions before 5.11.3.
How can I fix CVE-2018-19870?
To fix CVE-2018-19870, update Qt to version 5.11.3 or later.
Where can I find more information about CVE-2018-19870?
You can find more information about CVE-2018-19870 at the following references: [http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00080.html](http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00080.html), [https://access.redhat.com/errata/RHSA-2019:2135](https://access.redhat.com/errata/RHSA-2019:2135), [https://access.redhat.com/errata/RHSA-2019:3390](https://access.redhat.com/errata/RHSA-2019:3390).
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