cve/2022/CVE-2022-3171.md

### [CVE-2022-3171](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3171)
![](https://img.shields.io/static/v1?label=Product&message=Protocolbuffers&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=3.21.7%3C%203.21.7%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20%20Improper%20Input%20Validation&color=brighgreen)

### Description

A parsing issue with binary data in protobuf-java core and lite versions prior to 3.21.7, 3.20.3, 3.19.6 and 3.16.3 can lead to a denial of service attack. Inputs containing multiple instances of non-repeated embedded messages with repeated or unknown fields causes objects to be converted back-n-forth between mutable and immutable forms, resulting in potentially long garbage collection pauses. We recommend updating to the versions mentioned above.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/hinat0y/Dataset1
- https://github.com/hinat0y/Dataset10
- https://github.com/hinat0y/Dataset11
- https://github.com/hinat0y/Dataset12
- https://github.com/hinat0y/Dataset2
- https://github.com/hinat0y/Dataset3
- https://github.com/hinat0y/Dataset4
- https://github.com/hinat0y/Dataset5
- https://github.com/hinat0y/Dataset6
- https://github.com/hinat0y/Dataset7
- https://github.com/hinat0y/Dataset8
- https://github.com/hinat0y/Dataset9
- https://github.com/mosaic-hgw/WildFly