CVE-2020-5234
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2020
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Untrusted data can lead to DoS attack in MessagePack for C# and Unity
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
MessagePack
- Vendor
- neuecc
- Product
- MessagePack
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| < 1.9.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2.0.0, < 2.1.90 | affected | Unavailable | Unavailable | Unavailable | None listed |
MessagePack.ImmutableCollection
- Vendor
- neuecc
- Product
- MessagePack.ImmutableCollection
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| < 1.9.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2.0.0, < 2.1.90 | affected | Unavailable | Unavailable | Unavailable | None listed |
MessagePack.ReactiveProperty
- Vendor
- neuecc
- Product
- MessagePack.ReactiveProperty
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| < 1.9.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2.0.0, < 2.1.90 | affected | Unavailable | Unavailable | Unavailable | None listed |
MessagePack.UnityShims
- Vendor
- neuecc
- Product
- MessagePack.UnityShims
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| < 1.9.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2.0.0, < 2.1.90 | affected | Unavailable | Unavailable | Unavailable | None listed |