CVE-2026-44302— Snappier: Infinite loop in SnappyStream decompression on malformed framed input
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| brantburnett | Snappier | < 1.3.1 | affected |
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I. Basic Information for CVE-2026-44302
Vulnerability Information
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Vulnerability Title
Snappier: Infinite loop in SnappyStream decompression on malformed framed input
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Snappier 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Snappier是Brant Burnett个人开发者的一个Google Snappy压缩算法的纯C#端口。 Snappier 1.3.1之前版本存在安全漏洞，该漏洞源于SnappierStream解压畸形帧格式Snappy流时进入不可捕获的无限循环。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| brantburnett | Snappier | < 1.3.1 | - |
II. Public POCs for CVE-2026-44302
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-835
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V. Comments for CVE-2026-44302
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