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Vulnerability record · CVE-2026-44302 · published 12 May 2026

CVE-2026-44302: Snappier is a high performance C# implementation of the Snappy compression algorithm.

Snappier is a high performance C# implementation of the Snappy compression algorithm. Prior to 1.3.1, Snappier.SnappyStream enters an uncatchable infinite loop when decompressing a malformed framed-format Snappy stream as small as 15 bytes. This vulnerability is fixed in 1.3.1.

7.5 CVSS 3.1 High EPSS 0.46% · top 62.6% CWE-835 · CWE-835 Deferred
7.5CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Snappier is a high performance C# implementation of the Snappy compression algorithm. Prior to 1.3.1, Snappier.SnappyStream enters an uncatchable infinite loop when decompressing a malformed framed-format Snappy stream as small as 15 bytes. This vulnerability is fixed in 1.3.1.

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

References

LinkTags
https://github.com/brantburnett/Snappier/security/advisories/GHSA-pggp-6c3x-2xmx
https://github.com/brantburnett/Snappier/security/advisories/GHSA-pggp-6c3x-2xmx

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Source: NIST National Vulnerability Database (record CVE-2026-44302), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.