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Vulnerability record · CVE-2018-14939 · published 5 August 2018

CVE-2018-14939: Libreoffice memory buffer overflow vulnerability

Libreoffice · Libreoffice

The get_app_path function in desktop/unx/source/start.c in LibreOffice through 6.0.5 mishandles the realpath function in certain environments such as FreeBSD libc, which might allow attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact if LibreOffice is automatically launched during web browsing with pathnames controlled by a remote web site.

9.8 CVSS 3.0 Critical EPSS 2.2% · top 18.1% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The get_app_path function in desktop/unx/source/start.c in LibreOffice through 6.0.5 mishandles the realpath function in certain environments such as FreeBSD libc, which might allow attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact if LibreOffice is automatically launched during web browsing with pathnames controlled by a remote web site.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/105047 Third Party AdvisoryVDB Entry
https://bugs.documentfoundation.org/show_bug.cgi?id=118514 Third Party Advisory
http://www.securityfocus.com/bid/105047 Third Party AdvisoryVDB Entry
https://bugs.documentfoundation.org/show_bug.cgi?id=118514 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-14939), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.