VDB
CVE-2018-21035
CVE-2018-21035
PUBLISHED
CVSS 8.600000381469727 HIGH
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 2.34% · 83.0th percentile
Risk Scores
CVSS 3.0
8.600000381469727
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score
2.34%
83.0th 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 |
Timeline
- Feb 28, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
- Jan 10, 2023 EPSS Score
- Mar 7, 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