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USN-6136-1: FRR vulnerabilities

5 June 2023

Several security issues were fixed in FRR.

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Releases

Packages

  • frr - FRRouting suite of internet protocols

Details

It was discovered that FRR incorrectly handled parsing certain BGP
messages. A remote attacker could possibly use this issue to cause FRR to
crash, resulting in a denial of service. This issue only affected Ubuntu
23.04. (CVE-2023-31489)

It was discovered that FRR incorrectly handled parsing certain BGP
messages. A remote attacker could possibly use this issue to cause FRR to
crash, resulting in a denial of service. (CVE-2023-31490)

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 23.04
Ubuntu 22.10
Ubuntu 22.04

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

References

Related notices

  • USN-6323-1: frr, frr-pythontools, frr-rpki-rtrlib, frr-doc, frr-snmp
  • USN-6807-1: frr, frr-pythontools, frr-rpki-rtrlib, frr-doc, frr-snmp

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Further reading