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USN-4498-1: Loofah vulnerability

15 September 2020

Loofah could be made to perform XSS attacks if a crafted SVG element is republished

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Releases

Packages

  • ruby-loofah - manipulation and transformation of HTML/XML documents and fragments

Details

It was discovered that Loofah does not properly sanitize JavaScript in
sanitized output. An attacker could possibly use this issue to perform
XSS attacks. (CVE-2019-15587)

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 16.04

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

References

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Further reading