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Vulnerability record · CVE-2019-11482 · published 8 February 2020

CVE-2019-11482: Canonical ubuntu linux toctou race condition vulnerability

Canonical · Ubuntu Linux

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.

4.7 CVSS 3.1 Medium EPSS 0.23% · top 87.2% CWE-367 · TOCTOU race condition
4.7CVSS 3.1 base score, v2 1.9
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

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

References

LinkTags
https://usn.ubuntu.com/usn/usn-4171-1 Third Party Advisory
https://usn.ubuntu.com/usn/usn-4171-2 Third Party Advisory
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-2019-11482), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.