CVE-2021-25684 HIGH

CVE-2021-25684: apport can be stalled by reading a FIFO

Vendor Canonical
Product apport
Weakness CWE-20 · Input validation
Published June 11, 2021
Last update November 3, 2025

CVSS base score

8.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.

Key dates

02Disclosure timeline

June 11, 2021 CVE published
November 3, 2025 Record updated