CVE-2018-19872 Denial of service in n/a
A malformed PPM image triggers a division by zero in Qt, causing a crash and denial of service for applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-19872?
CVE-2018-19872 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 15 Mar 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Qt 5.11. A malformed PPM image causes a division by zero and a crash in qppmhandler.cpp.
Weakness: CWE-369
Which versions are affected by CVE-2018-19872?
It affects 3 products.
Products include Fedoraproject Fedora, Opensuse Leap, Qt Qt.
How do I fix CVE-2018-19872?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-19872 being exploited?
There is no known exploitation of CVE-2018-19872 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2018-19872, GHSA-74x6-c8f2-mfpm, MGASA-2019-0161, UBUNTU-CVE-2018-19872.