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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.

PUBLISHED Reserved 2026-05-05 | Published 2026-05-12 | Updated 2026-05-18 | Assigner GitHub_M




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Product status

< 1.3.1
affected

References

github.com/...appier/security/advisories/GHSA-pggp-6c3x-2xmx exploit

github.com/...appier/security/advisories/GHSA-pggp-6c3x-2xmx

cve.org (CVE-2026-44302)

nvd.nist.gov (CVE-2026-44302)

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