The vulnerability of proxy servers with advanced web content filtering functions like Privoxy arises from insufficient validation of input data, allowing attackers to trigger service interruptions.

The vulnerability of a proxy server with extended filtering functions for web content, such as Privoxy, is related to insufficient validation of input data in the “processencryptedrequestheaders” function. Exploiting this vulnerability can allow an attacker to cause a service failure...

Privoxy -- Multiple vulnerabilities (memory leak, XSS)

Privoxy reports: cgierrornotemplate: Encode the template name to prevent XSS cross-site scripting when Privoxy is configured to servce the user-manual itself. Commit 0e668e9409c. OVE-20211102-0001. CVE-2021-44543. Reported by: Artem Ivanov geturlspecparam: Free memory of compiled pattern spec...