CVE-2020-36406 - CVE House
Back to Database
Status published High CVE-2020-36406

uWebSockets 18.11.0 and 18.12.0 has a stack-based buffer overflow in...

Vulnerability Description

uWebSockets 18.11.0 and 18.12.0 has a stack-based buffer overflow in uWS::TopicTree::trimTree (called from uWS::TopicTree::unsubscribeAll). NOTE: the vendor's position is that this is "a minor issue or not even an issue at all" because the developer of an application (that uses uWebSockets) should not be allowing the large number of triggered topics to accumulate

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-36406

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

uwebsockets project

View all reports →

Affected Software

uwebsockets
Vulnerable Versions:
18.11.0, 18.12.0

Timeline

Official Publish: July 1st, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.