CVE-2026-93849 Mattermost allows authenticated users to trigger excessive memory allocation via crafted msgpack binary WebSocket frames

Mattermost versions 11.9.x = 11.9.1, 11.8.x = 11.8.5, 11.7.x = 11.7.10, 11.10.x = 11.10.1 Mattermost fail to apply allocation limits to the byte-string decode paths in its WebSocket msgpack decoder, which allows an authenticated remote attacker to cause excessive server memory allocation via a...

CVE-2026-93849

The Mattermost messaging platform (versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, and 11.10.x

Amazon Linux 2 : runc (ALASECS-2026-151)

The version of runc installed on the remote host is prior to 1.4.3-2. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2026-151 advisory. Due to security concerns regarding a small set of intermediate certificates issued by a specific Certificate Authority CA,...

Medium: runc

Issue Overview: Due to security concerns regarding a small set of intermediate certificates issued by a specific Certificate Authority CA, the Go's crypto/x509 package is updated to not trust certificates issued by the affected intermediate certificates. This would prevent possible future misuse ...

Medium: runc

Issue Overview: Due to security concerns regarding a small set of intermediate certificates issued by a specific Certificate Authority CA, the Go's crypto/x509 package is updated to not trust certificates issued by the affected intermediate certificates. This would prevent possible future misuse ...

Amazon Linux 2 : runc (ALASNITRO-ENCLAVES-2026-128)

The version of runc installed on the remote host is prior to 1.4.3-2. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2NITRO-ENCLAVES-2026-128 advisory. Due to security concerns regarding a small set of intermediate certificates issued by a specific Certificate...

Medium: runc

Issue Overview: Due to security concerns regarding a small set of intermediate certificates issued by a specific Certificate Authority CA, the Go's crypto/x509 package is updated to not trust certificates issued by the affected intermediate certificates. This would prevent possible future misuse ...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

Security Bulletin: IBM SPSS Analytic Server is affected by a Jackson-core denial-of-service vulnerability that may cause excessive memory consumption through crafted JSON input

Summary IBM SPSS Analytic Server is affected by a Jackson-core denial-of-service vulnerability that may cause excessive memory consumption through crafted JSON input. his has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-89425 DESCRIPTION:...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...

dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Object through PrimitiveObjectFormatter can cause excessive memory allocation. The formatter allocates an object from each declared array length before the...