CVE-2022-40983 Integer overflow in Qt
An integer overflow in Qt's QML QtScript Reflect API allows arbitrary code execution when a user visits a malicious web page.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-40983?
CVE-2022-40983 is a high-severity vulnerability in Qt Qt, published on 12 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An integer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2. A specially-crafted javascript code can trigger an integer overflow during memory allocation, which can lead to arbitrary code execution. Target application would need to access a malicious web page to trigger this vulnerability.
Weakness: CWE-190
Which versions are affected by CVE-2022-40983?
It affects 1 product.
Products include Qt Qt.
How do I fix CVE-2022-40983?
Upgrade to a fixed version.
Is CVE-2022-40983 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40983 exists.
Other vulnerabilities in Qt Qt
Sources
Also known as DEBIAN-CVE-2022-40983, GHSA-32ph-rfjm-xcxh.