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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)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

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