CVE-2026-44302 HIGH

CVE-2026-44302: Snappier: Infinite loop in SnappyStream decompression on malformed framed input

Vendor Brantburnett
Product Snappier
Weakness CWE-835
Published May 12, 2026
Last update May 18, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
May 18, 2026 Record updated