squid is vulnerable to HTTP request smuggling. An attacker is able to successfully perform request smuggling and poisoning attack against the HTTP cache by sending an HTTP request with a Content-Length header containing +\ "-
or an uncommon shell whitespace character prefix to the length field-value.
lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html
lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html
www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch
www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch
github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5
lists.debian.org/debian-lts-announce/2020/10/msg00005.html
lists.fedoraproject.org/archives/list/[email protected]/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/
security.netapp.com/advisory/ntap-20210312-0001/
usn.ubuntu.com/4551-1/
www.debian.org/security/2020/dsa-4732