messagepack records

14 published records for vendor messagepack.

Researcher profile

Entered KEV: 0 · 0%
Weaponized: 0 · 0%
Pre-auth RCE: 0
With a fix record: 100%
Median publish → KEV: No record has entered KEV

Records by year

Bar: total · dark part: CISA KEV.

Recurring classes

The weakness classes this vendor ships most often: where to look.

Attack profile

All records

14 records

CVE records
Action	CVE	Vulnerability	Severity	KEV	EPSS	Published
34Monitor	CVE-2024-48924No exploit	MessagePack allows untrusted data to lead to DoS attack due to hash collisions and stack overflowmessagepack-csharp · messagepack-csharp · CWE-328 Pre-auth Deserialization	High8.7	—	0.4%	Oct 17, 2024
32Monitor	CVE-2026-48109No exploit	MessagePack-CSharp: LZ4 decompression may fail with AccessViolationException after dereferencing memory from bad inputmessagepack · messagepack · CWE-20 Pre-auth	High8.2	—	0.5%	Jun 22, 2026
32Monitor	CVE-2026-48502No exploit	MessagePack-CSharp: Denial of service vulnerabilities can swamp the CPU or crash the process with stack and heap overflowsmessagepack · messagepack · CWE-125 Pre-auth Memory safety	High8.2	—	0.4%	Jun 22, 2026
30Monitor	CVE-2026-48506No exploit	MessagePack-CSharp: MessagePackReader.Skip can recurse without enforcing maximum object graph depthmessagepack · messagepack · CWE-674 Pre-auth Denial of service	High7.5	—	0.5%	Jun 22, 2026
26Monitor	CVE-2020-5234No exploit	Untrusted data can lead to DoS attack in MessagePack for C# and Unitymessagepack · messagepack · CWE-121 Memory safety Denial of service	Medium6.5	—	1.6%	Jan 31, 2020
25Monitor	CVE-2026-48509No exploit	MessagePack-CSharp: ASP.NET Core MessagePackInputFormatter defaults to TrustedData for HTTP request bodiesmessagepack · messagepack · CWE-1188 Pre-auth	Medium6.3	—	0.4%	Jun 22, 2026
25Monitor	CVE-2026-48516No exploit	MessagePack-CSharp: InterfaceLookupFormatter bypasses collision-resistant comparer settingsmessagepack · messagepack · CWE-407 Pre-auth	Medium6.3	—	0.4%	Jun 22, 2026
25Monitor	CVE-2026-48511No exploit	MessagePack-CSharp: ExpandoObject formatter can perform quadratic insertion work on untrusted mapsmessagepack · messagepack · CWE-407 Pre-auth Deserialization	Medium6.3	—	0.4%	Jun 22, 2026
25Monitor	CVE-2026-48510No exploit	MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengthsmessagepack · messagepack · CWE-409 Pre-auth	Medium6.3	—	0.4%	Jun 22, 2026
25Monitor	CVE-2026-48512No exploit	MessagePack-CSharp: JSON conversion APIs can recurse without consistent depth enforcementmessagepack · messagepack · CWE-674 Pre-auth Deserialization Denial of service	Medium6.3	—	0.4%	Jun 22, 2026
25Monitor	CVE-2026-48513No exploit	MessagePack-CSharp: DynamicUnionResolver generated deserializers miss depth enforcementmessagepack · messagepack · CWE-674 Pre-auth Deserialization Denial of service	Medium6.3	—	0.4%	Jun 22, 2026
25Monitor	CVE-2026-48514No exploit	MessagePack-CSharp: Unity unsafe blit formatter allocates from unbounded byte lengthmessagepack · messagepack · CWE-770 Pre-auth Deserialization Denial of service	Medium6.3	—	0.4%	Jun 22, 2026
25Monitor	CVE-2026-48515No exploit	MessagePack-CSharp: Multi-dimensional array formatters allocate from unchecked dimensionsmessagepack · messagepack · CWE-770 Pre-auth Denial of service	Medium6.3	—	0.4%	Jun 22, 2026
25Monitor	CVE-2026-48517No exploit	MessagePack-CSharp: Typeless deserialization type restrictions do not recurse into arrays or generic argumentsmessagepack · messagepack · CWE-470 Pre-auth Deserialization	Medium6.3	—	0.3%	Jun 22, 2026

CVE-2024-48924
34Monitor
MessagePack allows untrusted data to lead to DoS attack due to hash collisions and stack overflow
HighCVSS 8.7No exploitEPSS 0%
- Pre-auth
- Deserialization
messagepack-csharp · messagepack-csharpOct 17, 2024
CVE-2026-48109
32Monitor
MessagePack-CSharp: LZ4 decompression may fail with AccessViolationException after dereferencing memory from bad input
HighCVSS 8.2No exploitEPSS 1%
- Pre-auth
messagepack · messagepackJun 22, 2026
CVE-2026-48502
32Monitor
MessagePack-CSharp: Denial of service vulnerabilities can swamp the CPU or crash the process with stack and heap overflows
HighCVSS 8.2No exploitEPSS 0%
- Pre-auth
- Memory safety
messagepack · messagepackJun 22, 2026
CVE-2026-48506
30Monitor
MessagePack-CSharp: MessagePackReader.Skip can recurse without enforcing maximum object graph depth
HighCVSS 7.5No exploitEPSS 0%
- Pre-auth
- Denial of service
messagepack · messagepackJun 22, 2026
CVE-2020-5234
26Monitor
Untrusted data can lead to DoS attack in MessagePack for C# and Unity
MediumCVSS 6.5No exploitEPSS 2%
- Memory safety
- Denial of service
messagepack · messagepackJan 31, 2020
CVE-2026-48509
25Monitor
MessagePack-CSharp: ASP.NET Core MessagePackInputFormatter defaults to TrustedData for HTTP request bodies
MediumCVSS 6.3No exploitEPSS 0%
- Pre-auth
messagepack · messagepackJun 22, 2026
CVE-2026-48516
25Monitor
MessagePack-CSharp: InterfaceLookupFormatter bypasses collision-resistant comparer settings
MediumCVSS 6.3No exploitEPSS 0%
- Pre-auth
messagepack · messagepackJun 22, 2026
CVE-2026-48511
25Monitor
MessagePack-CSharp: ExpandoObject formatter can perform quadratic insertion work on untrusted maps
MediumCVSS 6.3No exploitEPSS 0%
- Pre-auth
- Deserialization
messagepack · messagepackJun 22, 2026
CVE-2026-48510
25Monitor
MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths
MediumCVSS 6.3No exploitEPSS 0%
- Pre-auth
messagepack · messagepackJun 22, 2026
CVE-2026-48512
25Monitor
MessagePack-CSharp: JSON conversion APIs can recurse without consistent depth enforcement
MediumCVSS 6.3No exploitEPSS 0%
messagepack · messagepackJun 22, 2026
CVE-2026-48513
25Monitor
MessagePack-CSharp: DynamicUnionResolver generated deserializers miss depth enforcement
MediumCVSS 6.3No exploitEPSS 0%
messagepack · messagepackJun 22, 2026
CVE-2026-48514
25Monitor
MessagePack-CSharp: Unity unsafe blit formatter allocates from unbounded byte length
MediumCVSS 6.3No exploitEPSS 0%
messagepack · messagepackJun 22, 2026
CVE-2026-48515
25Monitor
MessagePack-CSharp: Multi-dimensional array formatters allocate from unchecked dimensions
MediumCVSS 6.3No exploitEPSS 0%
- Pre-auth
- Denial of service
messagepack · messagepackJun 22, 2026
CVE-2026-48517
25Monitor
MessagePack-CSharp: Typeless deserialization type restrictions do not recurse into arrays or generic arguments
MediumCVSS 6.3No exploitEPSS 0%
- Pre-auth
- Deserialization
messagepack · messagepackJun 22, 2026