JLSEC-2026-573

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, a malformed HEIF sequence file can trigger an out-of-bounds read in core sequence parsing logic, causing DoS. A malformed file can have stco.entrycount == 0 creating no chunks while still passing validation...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the endpoints.GetSessionCookie function. An attacker can exhaust system memory resources by sending specially crafted requests containing a large cookie chunk count, resulting in unbounded...

CVE-2026-40303

zrok is software for sharing web services, files, and network resources. Prior to version 2.0.1, endpoints.GetSessionCookie parses an attacker-supplied cookie chunk count and calls makestring, count with no upper bound before any token validation occurs. The function is reached on every request t...

SUSE CVE-2020-15306

An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize in IlmImf/ImfMisc.cpp...

Denial Of Service (DoS)

OPCFoundation.NetStandard.Opc.Ua is vulnerable to denial of service. The vulnerability exists due to improper configuration of maximum chunk count which allows malicious clients to cause an application crash via a carefully crafted message...

Denial Of Service (DoS)

opcfoundation.netstandard.opc.ua is vulnerable to denial of service. The vulnerability exists due to the lack of maximum chunk count check-in requests which allows malicious clients to cause an application crash...

Denial Of Service (DoS)

OPCFoundation.NetStandard.Opc.Ua is vulnerable to denial of service. The vulnerability exists due to the lack of maximum chunk count check-in request and response messages, allowing malicious clients or servers to cause a peer to hang with a carefully crafted message sent during secure channel...

DEBIAN-CVE-2020-15306

An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize in IlmImf/ImfMisc.cpp...

AZL-45069 CVE-2020-15306 affecting package OpenEXR 2.3.0-6

An issue was discovered in OpenEXR before v2.5.2. Invalid chunkCount attributes could cause a heap buffer overflow in getChunkOffsetTableSize in IlmImf/ImfMisc.cpp...