Unscored USN-4718-1 1 CVE

fastd vulnerability

Published Feb 2, 2021 · Updated Feb 10, 2026

Ecosystem: Ubuntu

Summary

It was discovered that fastd incorrectly handled certain packets.
An attacker could possibly use this issue to cause a denial of service.

Fixed packages 2

Release	Package	Fixed in
Ubuntu · 16.04 LTS 16.04:LTS	fastd	17-4ubuntu0.1
Ubuntu · 18.04 LTS 18.04:LTS	fastd	18-3ubuntu0.18.04.1

Vulnerabilities 1

Unscored —

CVE-2020-27638

receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type …

fastd fastd Debian Ubuntu

Oct 22, 2020

References

report
https://ubuntu.com/security/CVE-2020-27638