CVE-2018-21035

CVE Details

Release Date:

2020-02-28

Description

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).

See more information about CVE-2018-21035 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	7.5	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (qt5-qtbase)	ELSA-2020-4690	2020-11-10
Oracle Linux version 8 (qt5-qttools)	ELSA-2020-4690	2020-11-10
Oracle Linux version 8 (qt5-qtwebsockets)	ELSA-2020-4690	2020-11-10

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team