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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| security-advisories@github.com | 4.8 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H | 1.2 | 3.6 |
| nvd@nist.gov | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | 2.8 | 3.6 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-121,CWE-787,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| messagepack | messagepack | 2.0.110 |
| messagepack | messagepack | 2.0.119 |
| messagepack | messagepack | 2.0.123 |
| messagepack | messagepack | 2.0.299 |
| messagepack | messagepack | * |
| messagepack | messagepack | 2.0.94 |
| messagepack | messagepack | 2.0.204 |
| messagepack | messagepack | 2.0.270 |