CVE-2020-5234 MEDIUM

CVE-2020-5234: Untrusted data can lead to DoS attack in MessagePack for C# and Unity

Vendor Neuecc
Product MessagePack
Weakness CWE-121
Published January 31, 2020
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

MessagePack for C# and Unity before version 1.9.11 and 2.1.90 has a vulnerability where untrusted data can lead to DoS attack due to hash collisions and stack overflow. Review the linked GitHub Security Advisory for more information and remediation steps.

Key dates

02Disclosure timeline

January 31, 2020 CVE published
August 4, 2024 Record updated