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.
Metrics
Affected Vendors & Products
References
History
Tue, 28 Apr 2026 18:45:00 +0000
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| First Time appeared |
Nds-association
Nds-association zserio |
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| CPEs | cpe:2.3:a:nds-association:zserio:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Nds-association
Nds-association zserio |
Tue, 28 Apr 2026 09:45:00 +0000
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Ndsev
Ndsev zserio |
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| Vendors & Products |
Ndsev
Ndsev zserio |
Mon, 27 Apr 2026 14:15:00 +0000
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| Metrics |
ssvc
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Fri, 24 Apr 2026 18:30:00 +0000
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| 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. | |
| Title | Zserio: Integer Overflow in BitStreamReader and Unbounded Memory Allocation in Deserialization | |
| Weaknesses | CWE-789 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-04-24T18:18:02.913Z
Updated: 2026-04-27T13:35:28.660Z
Reserved: 2026-03-20T18:05:11.829Z
Link: CVE-2026-33524
Updated: 2026-04-27T13:20:22.417Z
Status : Analyzed
Published: 2026-04-24T19:17:09.850
Modified: 2026-04-28T18:33:01.667
Link: CVE-2026-33524
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