Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-4818-1: OpenCV vulnerabilities

28 September 2022

Several security issues were fixed in OpenCV.

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

Releases

Packages

  • opencv - computer vision library

Details

It was discovered that OpenCV did not properly manage certain
objects, leading to a divide-by-zero. If a user were tricked into
loading a specially crafted file, a remote attacker could potentially use
this issue to cause a denial of service or possibly execute arbitrary
code. (CVE-2019-15939)

It was discovered that OpenCV did not properly manage certain files,
leading to an out of bounds read. If a user were tricked into loading
a specially crafted file, a remote attacker could potentially use this
issue to make OpenCV crash, resulting in a denial of service. This issue
was only fixed in Ubuntu 18.04 ESM. (CVE-2019-14491, CVE-2019-14492)

It was discovered that OpenCV did not properly manage certain XML data,
leading to a NULL pointer dereference. If a user were tricked into
loading a specially crafted file, a remote attacker could potentially use
this issue to make OpenCV crash, resulting in a denial of service. This
issue was only fixed in Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
(CVE-2019-14493)

It was discovered that OpenCV did not properly manage certain files,
leading to a heap-based buffer overflow. If a user were tricked into
loading a specially crafted file, a remote attacker could potentially use
this issue to cause a denial of service or possibly execute arbitrary code.
This issue only affected Ubuntu 18.04 ESM. (CVE-2017-18009)

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 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Join the discussion

Need help with your security needs?

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.

Talk to an expert to find out what would work best for you

Further reading