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USN-4872-1: Axel vulnerability

15 March 2021

Axel could be made to expose sensitive information over the network.

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Releases

Packages

  • axel - light command line download accelerator

Details

It was discovered that Axel did not properly verify the certificates for hostnames. An
attacker could use this vulnerability to impersonate another server and obtain
sensitive information.

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