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Ubuntu 22.04/20.04 LTS USN-5538-1: Critical libtirpc Denial Of Service

ubuntu
Calendar Grey July 28, 2022
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-5539-1 highlights a vulnerability in libseccomp that may allow unauthorized access, affecting multiple releases.
libtirpc could be made to denial of service if it received a specially crafted input.

Summary

libtirpc could be made to denial of service if it received a specially

crafted input.

Software Description:

- libtirpc: transport-independent RPC library - common files

Details:

It was discovered that libtirpc incorrectly handled certain inputs.

An attacker could possibly use this issue to cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical issue security update Ubuntu vulnerability libtirpc

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
  libtirpc3                       1.3.2-2ubuntu0.1

Ubuntu 20.04 LTS:
  libtirpc3                       1.2.5-1ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-5538-1

CVE-2021-46828

Severity
critical
Lowest
Low
Medium
High
Critical

July 28, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical issue security update Ubuntu vulnerability libtirpc

Package Information

https://launchpad.net/ubuntu/+source/libtirpc/1.3.2-2ubuntu0.1
https://launchpad.net/ubuntu/+source/libtirpc/1.2.5-1ubuntu0.1

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