K000164201: Python Pillow vulnerability CVE-2026-55379

Security Advisory Description Pillow is a Python imaging library. Prior to 12.3.0, PIL/BdfFontFile.py bdfchar read the BBX width and height field from a BDF font file and passed attacker-controlled dimensions to Image.new without calling Image.decompressionbombcheck, bypassing Pillow's documented...

Security update for openssl-1_0_0

This update for openssl-100 fixes the following issues: CVE-2026-35189: Excessive Memory Allocation in Relative CRLDP Processing bsc1280589. CVE-2026-54872: Timing Side-Channel in Scalar Multiplication for Non-NIST EC Curves bsc1280591. CVE-2026-54874: Excessive Memory Use Buffering DTLS Records...

CVE-2026-102466

A flaw was found in the Eclipse Vert.x MySQL client, which can lead to a Denial of Service DoS. A malicious database server or an attacker positioned on the network can send a crafted result set containing an excessively large column count. Because the client pre-allocates memory for column...

CVE-2026-121405

FreeRDP before 3.32.2 fails to cap the OutputBufferLength in serial device-control IRP requests, allowing malicious servers to trigger excessive memory allocation. Attackers running a server with serial redirection can send an IRPMJDEVICECONTROL request with IOCTLUSBPRINTGET1284ID and a...

CLEANSTART-2026-EO65959 Parsing a malicious font file can cause excessive memory allocation

CVE-2026-33812 affects multiple packages. Parsing a malicious font file can cause excessive memory allocation. See references for individual vulnerability details...

CLEANSTART-2026-JN55018 Parsing a malicious font file can cause excessive memory allocation

Security vulnerability affects the rclone package. Parsing a malicious font file can cause excessive memory allocation...

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

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 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...

Mattermost resource management error vulnerability

Versions 11.9.1 and earlier of Mattermost, as well as versions 11.8.5 and earlier, 11.7.10 and earlier, and 11.10.1 and earlier are affected by a resource management error vulnerability. This vulnerability arises because the WebSocket msgpack decoder fails to enforce allocation limits on byte...

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 Watson Speech Services Cartridge is vulnerable to multiple memory allocation issues in Pillow (CVE-2026-54059, CVE-2026-54060, CVE-2026-55379, CVE-2026-55380).

Summary IBM Watson Speech Services Cartridge is vulnerable to multiple memory allocation issues in Pillow. Pillow is used in our Speech runtimes. These vulnerabilities have been addressed. Please read the details for remediation below. Vulnerability Details CVEID:CVE-2026-54059 DESCRIPTION: Pillo...

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...