VDB
CVE-2018-21035
CVE-2018-21035
PUBLISHED
In Qt through 5.14.1, the WebSocket implementation accepts up to 2GB for frames and 2GB for messages. Smaller limits cannot be configured. This makes it easier for attackers to cause a denial of service (memory consumption).
EPSS 0.47% · 64.8th percentile
Risk Scores
EPSS Score
0.47%
64.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | qtwebsockets-opensource-src | 5.9.3-0ubuntu1, 5.9.1-3, 0 |
| Ubuntu:16.04:LTS | qtwebsockets-opensource-src | 5.4.2-2build1, 0, 5.5.1-4build1 |
| Ubuntu:20.04:LTS | qtwebsockets-opensource-src | 5.12.4-1, 0, 5.12.8-0ubuntu1 |
Exploit Intelligence
- https://bugreports.qt.io/browse/QTBUG-70693 (nist-nvd)
Timeline
- Feb 28, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-21035 third-party-advisory
- https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-21035 third-party-advisory