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Snappier: Infinite loop in SnappyStream decompression on malformed framed input

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-44302

Published

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 published
12 May 2026 21:33:07 UTC
Source modified
18 May 2026 15:10:25 UTC
Observed here
23 Oct 2026 15:48:27 UTC
Source terms
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CVSS 3.1 · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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Sources read 28 Oct 08:36 UTC · 272 of 272 readable · 268 fully read · documentation 469/469 current