CVE-2018-15518: Double Free
First published: Thu Dec 13 2018(Updated: )
A possible double free and heap corruption was found in QXmlStream. Upstream patch: <a href="https://codereview.qt-project.org/#/c/236691/">https://codereview.qt-project.org/#/c/236691/</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Qt Qt | >=5.5.0<5.11.3 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| openSUSE Leap | =42.3 | |
| 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/2018-12/msg00066.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00071.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00090.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/236691/
- 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-2018-15518
- 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-2018-15518
- https://access.redhat.com/errata/RHSA-2020:1172
- https://bugzilla.redhat.com/show_bug.cgi?id=1659000
- https://security-tracker.debian.org/tracker/CVE-2018-15518
- https://ubuntu.com/security/notices/USN-4003-1
- https://www.cve.org/CVERecord?id=CVE-2018-15518
- https://nvd.nist.gov/vuln/detail/CVE-2018-15518
- https://codereview.qt-project.org/gitweb?p=qt%2Fqtbase.git;a=commit;h=6256729a6da532079505edfe4c56a6ef29cd8ab8
- https://ubuntu.com/security/CVE-2018-15518
Frequently Asked Questions
What is CVE-2018-15518?
CVE-2018-15518 is a vulnerability in the QXmlStream component of Qt 5.x before 5.11.3 that allows for a double-free or corruption during parsing of a specially crafted illegal XML document.
What is the severity of CVE-2018-15518?
CVE-2018-15518 has a severity rating of 8.8 (high).
Which versions of Qt are affected by CVE-2018-15518?
Qt versions 5.9.5 and 5.11.1 are affected by CVE-2018-15518.
How can I fix CVE-2018-15518?
To fix CVE-2018-15518, it is recommended to update Qt to version 5.11.3 or later.
Where can I find more information about CVE-2018-15518?
More information about CVE-2018-15518 can be found in the references provided: [Reference 1](http://lists.opensuse.org/opensuse-security-announce/2018-12/msg00066.html), [Reference 2](http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html), [Reference 3](http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00071.html).
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