Security Advisory

CVE-2026-33524

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-24 18:18:02

Last updated 2026-04-27 13:35:28

Assigner GitHub_M

State PUBLISHED

Description

Zserio is a framework for serializing structured data with a compact and efficient way with low overhead. Prior to 2.18.1, 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). This vulnerability is fixed in 2.18.1.

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