NULL Pointer Dereference Affecting qt4-x11 package, versions <4:4.8.7+dfsg-11+deb9u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIAN9-QT4X11-406591
- published7 Dec 2018
- disclosed26 Dec 2018
Introduced: 7 Dec 2018
CVE-2018-19870 (opens in a new tab)How to fix?
Upgrade Debian:9 qt4-x11 to version 4:4.8.7+dfsg-11+deb9u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qt4-x11 package and not the qt4-x11 package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault.
References
- https://security-tracker.debian.org/tracker/CVE-2018-19870
- https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/
- https://codereview.qt-project.org/#/c/235998/
- https://www.debian.org/security/2019/dsa-4374
- 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
- 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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-19870
- https://usn.ubuntu.com/4003-1/