USN-5826-1: Privoxy vulnerabilities

25 January 2023

Several security issues were fixed in Privoxy.

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Releases

Packages

  • privoxy - Privacy enhancing HTTP Proxy

Details

Joshua Rogers discovered that Privoxy incorrectly handled memory allocation. An
attacker could possibly use this issue to cause a denial of service. (CVE-2021-44540)

Artem Ivanov discovered that Privoxy incorrectly handled input validations. An
attacker could possibly use this issue to perform cross-site scripting (XSS) attacks.
(CVE-2021-44543)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

References

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Further reading