Description: Due to a buffer overflow bug Squid is vulnerable to a Denial of Service attack against HTTP Digest Authentication

Reference: https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g

Affected versions: 3.2.0.1-5.9, 6.0-6.3

Description: a) Due to an Incorrect Conversion between Numeric Types bug Squid is vulnerable to a Denial of Service attack against FTP Native Relay input validation.

b) Due to an Incorrect Conversion between Numeric Types bug Squid is vulnerable to a Denial of Service attack against ftp:// URL validation and access control.

Reference: https://github.com/squid-cache/squid/security/advisories/GHSA-2g3c-pg7q-g59w

Affected versions: 5.0.3-5.9, 6.0-6.3

Description: Due to chunked decoder lenience Squid is vulnerable to Request/Response smuggling attacks when parsing HTTP/1.1 and ICAP messages

Reference: https://github.com/squid-cache/squid/security/advisories/GHSA-j83v-w3p4-5cqh

Affected versions: 2.6-6.3. Patched in 6.4.