### [CVE-2021-31807](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31807) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen) ### Description An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent. ### POC #### Reference No PoCs from references. #### Github - https://github.com/ARPSyndicate/cve-scores - https://github.com/ARPSyndicate/cvemon - https://github.com/MegaManSec/Squid-Security-Audit