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Alerts This Week
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Debian 9: DLA-2587-1 Moderate: Privoxy Denial Of Service

debian lts
Calendar Grey March 9, 2021
Dist Debian Esm H88
To improve the security of your Debian 9 stretch system, upgrading Privoxy is essential due to the vulnerabilities in Advisory DLA-2587-1, ensuring effective patches are applied
Multiple vulnerabilites were discovered in privoxy, a web proxy with advanced filtering capabilities
Topics%20covered

Topics Covered

security advisory moderate denial of service debian privoxy address issue

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


Package: privoxy
Version: 3.0.26-3+deb9u2
CVE ID: CVE-2021-20272 CVE-2021-20273 CVE-2021-20275

Topics%20covered

Topics Covered

security advisory moderate denial of service debian privoxy address issue

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