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Vulnerability record · CVE-2019-11481 · published 8 February 2020

CVE-2019-11481: Canonical ubuntu linux link following vulnerability

Canonical · Ubuntu Linux

Kevin Backhouse discovered that apport would read a user-supplied configuration file with elevated privileges. By replacing the file with a symbolic link, a user could get apport to read any file on the system as root, with unknown consequences.

7.8 CVSS 3.1 High EPSS 0.45% · top 63.1% CWE-59 · Link following
7.8CVSS 3.1 base score, v2 6.1
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Kevin Backhouse discovered that apport would read a user-supplied configuration file with elevated privileges. By replacing the file with a symbolic link, a user could get apport to read any file on the system as root, with unknown consequences.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/172858/Ubuntu-Apport-Whoopsie-DoS-Integer-Overflow.html
https://usn.ubuntu.com/usn/usn-4171-1 Third Party Advisory
https://usn.ubuntu.com/usn/usn-4171-2 Third Party Advisory
http://packetstormsecurity.com/files/172858/Ubuntu-Apport-Whoopsie-DoS-Integer-Overflow.html
https://usn.ubuntu.com/usn/usn-4171-1 Third Party Advisory
https://usn.ubuntu.com/usn/usn-4171-2 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-11481), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.