Zserio Runtime: Integer Overflow in BitStreamReader and Unbounded Memory Allocation in Deserialization

Summary Unbounded Memory Allocation all platforms A crafted payload as small as 4-5 bytes can force memory allocations of up to 16 GB, crashing any process with an OOM error Denial of Service. Affected code C++: - cpp/runtime/src/zserio/Array.h line 1029 — mrawArray.reservereadLength with uncheck...

GHSA-CWQ5-8PVQ-J65J Zserio Runtime: Integer Overflow in BitStreamReader and Unbounded Memory Allocation in Deserialization

Summary Unbounded Memory Allocation all platforms A crafted payload as small as 4-5 bytes can force memory allocations of up to 16 GB, crashing any process with an OOM error Denial of Service. Affected code C++: - cpp/runtime/src/zserio/Array.h line 1029 — mrawArray.reservereadLength with uncheck...

PT-2026-35056

Name of the Vulnerable Software and Affected Versions Zserio versions prior to 2.18.1 Description An issue exists in the readBytes and readString functions within BitStreamReader.h where the setBitPosition bounds check receives an overflowed value and is bypassed. This allows the system to attemp...

zserio 安全漏洞

Zserio is an open-source framework for efficiently serializing structured data by Navigation Data Standard e.V. Versions of Zserio prior to 2.18.1 contained a security vulnerability. This vulnerability stemmed from the ability of a specially crafted payload to forcibly allocate up to 16 GB of...

PT-2026-35054

Name of the Vulnerable Software and Affected Versions Zserio versions prior to 2.18.1 Description Zserio is a framework for serializing structured data with a compact and efficient way with low overhead. A crafted payload as small as 4-5 bytes can force memory allocations of up to 16 GB, leading ...

zserio 输入验证错误漏洞

Zserio is an open-source framework for efficiently serializing structured data by Navigation Data Standard e.V. Versions of Zserio prior to 2.18.1 contained a vulnerability related to input validation errors. This vulnerability occurred due to the setBitPosition boundary check in the...