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USN-4572-2: Spice vulnerability

7 October 2020

Spice could be made to crash or run programs if it received specially crafted network traffic.

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Releases

Packages

  • spice - SPICE protocol client and server library

Details

USN-4572-1 fixed a vulnerability in Spice. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Frediano Ziglio discovered that Spice incorrectly handled QUIC image
decoding. A remote attacker could use this to cause Spice 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 14.04

After a standard system update you need to restart qemu guests to make all
the necessary changes.

References

Related notices

  • USN-4572-1: libspice-server1, libspice-server-dev, spice