What is CVE-2019-11482?

CVE-2019-11482 is a medium-severity vulnerability in Apport Project, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 4.2/10. Published 2020-02-08.

How severe is CVE-2019-11482?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Vulnerability in Apport Project

CVE-2019-11482

Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

Published 2020-02-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (13.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Apport Project
Canonical Apport — versions 2.14.1, 2.20.1, 2.20.9
Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

usn.ubuntu.com/usn/usn-4171-1 (Third Party Advisory)
usn.ubuntu.com/usn/usn-4171-2 (Third Party Advisory)

Frequently asked questions

What is CVE-2019-11482?: CVE-2019-11482 is a medium-severity vulnerability in Apport Project, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 4.2/10. Published 2020-02-08.
How severe is CVE-2019-11482?: Medium severity. CVSS v3 base score is 4.2 out of 10.