CVE-2023-45935 Null dereference in n/a
A NULL pointer dereference in Qt's XCB connection initialization can cause a denial of service, though the issue is disputed as anomalous X server behavior.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-45935?
CVE-2023-45935 is a medium-severity vulnerability in n/a, published on 27 Mar 2024. 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
Qt 6 through 6.6 was discovered to contain a NULL pointer dereference via the function QXcbConnection::initializeAllAtoms(). NOTE: this is disputed because it is not expected that an X application should continue to run when there is arbitrary anomalous behavior from the X server.
Weakness: CWE-476
Which versions are affected by CVE-2023-45935?
How do I fix CVE-2023-45935?
No fix published yet.
Is CVE-2023-45935 being exploited?
There is no known exploitation of CVE-2023-45935 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2023-45935, ECHO-2bcd-2d8f-ed84, GHSA-mfgg-7fpx-cp7p, OESA-2024-1537, OESA-2024-1539, OESA-2024-1540 and 1 more.