High severity7.5NVD Advisory· Published May 12, 2026· Updated May 18, 2026

CVE-2026-44302

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.

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Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
SnappierNuGet	< 1.3.1	1.3.1

Affected products

ghsa-coords
pkg:nuget/snappier
Range: < 1.3.1

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-pggp-6c3x-2xmxghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-44302ghsaADVISORY
github.com/brantburnett/Snappier/security/advisories/GHSA-pggp-6c3x-2xmxnvdWEB

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