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USN-5573-1: rsync vulnerability

18 August 2022

rsync could be made to crash or run programs if it received specially crafted input.

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Releases

Packages

  • rsync - fast, versatile, remote (and local) file-copying tool

Details

Evgeny Legerov discovered that zlib incorrectly handled memory when
performing certain inflate operations. An attacker could use this issue
to cause rsync to crash, resulting in a denial of service, or possibly
execute arbitrary code.

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
Ubuntu 16.04

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

References

Related notices

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Further reading