Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-33524

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.9%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-33524


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