cve/2023/CVE-2023-43642.md

### [CVE-2023-43642](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-43642)
![](https://img.shields.io/static/v1?label=Product&message=snappy-java&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20%3C%201.1.10.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-770%3A%20Allocation%20of%20Resources%20Without%20Limits%20or%20Throttling&color=brighgreen)

### Description

snappy-java is a Java port of the snappy, a fast C++ compresser/decompresser developed by Google. The SnappyInputStream was found to be vulnerable to Denial of Service (DoS) attacks when decompressing data with a too large chunk size. Due to missing upper bound check on chunk length, an unrecoverable fatal error can occur. All versions of snappy-java including the latest released version 1.1.10.3 are vulnerable to this issue. A fix has been introduced in commit `9f8c3cf74` which will be included in the 1.1.10.4 release. Users are advised to upgrade. Users unable to upgrade should only accept compressed data from trusted sources.

### POC

#### Reference
- https://github.com/xerial/snappy-java/security/advisories/GHSA-55g7-9cwv-5qfv

#### Github
No PoCs found on GitHub currently.