Debian Security Advisory
DLA-2587-1 privoxy -- LTS security update
- Date Reported:
- 09 Mar 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-20272, CVE-2021-20273, CVE-2021-20275, CVE-2021-20276.
- More information:
Multiple vulnerabilites were discovered in privoxy, a web proxy with advanced filtering capabilities.
An assertion failure could be triggered with a crafted CGI request leading to server crash.
A crash can occur via a crafted CGI request if Privoxy is toggled off.
An invalid read of size two may occur in chunked_body_is_complete() leading to denial of service.
Invalid memory access with an invalid pattern passed to pcre_compile() may lead to denial of service.
For Debian 9 stretch, these problems have been fixed in version 3.0.26-3+deb9u2.
We recommend that you upgrade your privoxy packages.
For the detailed security status of privoxy please refer to its security tracker page at: https://security-tracker.debian.org/tracker/privoxy
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS