This update fixes a couple of security issues. Quoting the ChangeLog:
- Security/Reliability:
- cgi_error_no_template(): Encode the template name to prevent
XSS (cross-side scripting) when Privoxy is configured to servce
the user-manual itself.
Commit 0e668e9409c. OVE-20211102-0001. CVE-2021-44543.
Reported by: Artem Ivanov
- get_url_spec_param(): Free memory of compiled pattern spec
before bailing.
Reported by Joshua Rogers (Opera) who also provided the fix.
Commit 652b4b7cb0. OVE-20211201-0003. CVE-2021-44540.
- process_encrypted_request_headers(): Free header memory when
failing to get the request destination.
Reported by Joshua Rogers (Opera) who also provided the fix.
Commit 0509c58045. OVE-20211201-0002. CVE-2021-44541.
- send_http_request(): Prevent memory leaks when handling errors
Reported by Joshua Rogers (Opera) who also provided the fix.
Commit c48d1d6d08. OVE-20211201-0001. CVE-2021-44542.
The complete list of changes is available at:
https://lists.privoxy.org/pipermail/privoxy-announce/2021-December/000009.html
PR: 260290
MFH: 2021Q4
Security: 897e1962-5d5a-11ec-a3ed-040e3c3cf7e7
(cherry picked from commit dec093e215)
62a44ce069