CVE-2018-21035 HIGH

CVE-2018-21035

Vendor N/A
Product n/a
Published February 28, 2020
Last update August 5, 2024

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:C/UI:N

What the vulnerability does

01Description

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).

Key dates

02Disclosure timeline

February 28, 2020 CVE published
August 5, 2024 Record updated