high7.5
CVE-2026-33524
Zserio is a framework for serializing structured data with a compact and efficient way with low overhead.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | io.github.ndsev:zserio-runtime | <= 2.18.0 | 2.18.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nds-Association | Zserio | before 2.18.1 |