VULNERABILITY INTELLIGENCE
CVE-2020-5234
CVSS score4.8 MEDIUM
EPSS probability1.58%
CISA KEVNot currently listed
Published2020-01-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
Description
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.
Weakness classification
- security-advisories@github.com: CWE-121
- nvd@nist.gov: CWE-787
Primary references
- security-advisories@github.com — Patch, Third Party Advisory
- security-advisories@github.com
- security-advisories@github.com
- security-advisories@github.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory