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.
History

Mon, 18 May 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 13 May 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Brantburnett
Brantburnett snappier
Vendors & Products Brantburnett
Brantburnett snappier

Tue, 12 May 2026 22:00:00 +0000

Type Values Removed Values Added
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.
Title Snappier: Infinite loop in SnappyStream decompression on malformed framed input
Weaknesses CWE-835
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-18T15:10:25.995Z

Reserved: 2026-05-05T17:39:31.113Z

Link: CVE-2026-44302

cve-icon Vulnrichment

Updated: 2026-05-18T15:10:21.865Z

cve-icon NVD

Status : Deferred

Published: 2026-05-12T22:16:36.997

Modified: 2026-05-18T16:16:31.397

Link: CVE-2026-44302

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T10:35:24Z