Integer overflow in Qt
CVE-2022-40983
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Qt — versions 6.3.2
- Qt Project — versions 6.3.2.
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2022-1617 (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-40983?
- CVE-2022-40983 is a high-severity vulnerability in Qt, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2023-01-12.
- How severe is CVE-2022-40983?
- High severity. CVSS v3 base score is 8.8 out of 10.