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USN-6169-1: GNU SASL vulnerability

15 June 2023

gsasl could possibly be made crash or expose sensitive information over the network.

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Releases

Packages

  • gsasl - GNU SASL command line utility

Details

It was discovered that GNU SASL's GSSAPI server could make an
out-of-bounds reads if given specially crafted GSS-API authentication
data. A remote attacker could possibly use this issue to cause a
denial of service or to expose 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 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

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Further reading