Debian Long Term Support / LTS Security Information / 2021 / Security Information -- DLA-2587-1 privoxy

Debian Security Advisory

DLA-2587-1 privoxy -- LTS security update

Date Reported:

09 Mar 2021

Affected Packages:

privoxy

Vulnerable:

Yes

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.

• CVE-2021-20272

  An assertion failure could be triggered with a crafted CGI request leading to server crash.

• CVE-2021-20273

  A crash can occur via a crafted CGI request if Privoxy is toggled off.

• CVE-2021-20275

  An invalid read of size two may occur in chunked_body_is_complete() leading to denial of service.

• CVE-2021-20276

  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