cve.bz

CVE-2020-5234

6.5 mediumEPSS 1.6%

Medium (6.5) in messagepack messagepack. EPSS 1.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWEs
CWE-787, CWE-121
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON