Debian LTS: DLA-2587-1: privoxy security update
Summary
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/source-package/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