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CVE-2020-27638

Published: 22 October 2020

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

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
fastd
Launchpad, Ubuntu, Debian
bionic
Released (18-3ubuntu0.18.04.1)
focal
Released (18-3ubuntu0.1)
groovy
Released (19-3ubuntu0.1)
trusty Does not exist

upstream
Released (21-1)
xenial
Released (17-4ubuntu0.1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H