CVE-2026-33524

Published: Apr 24, 2026Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Products: Nds Association: Zserio

Nds Association

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Nds Association Zserio	Before 2.18.1

Related CWEs

Memory Allocation with Excessive Size Value

The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.

References (1)

https://github.com/ndsev/zserio/security/advisories/GHSA-cwq5-8pvq-j65j

Source: security-advisories@github.com

ExploitMitigationVendor Advisory

Timeline

No history available yet.