CVE-2018-16858
HighPublic exploitIt was found that libreoffice before versions 6.0.7 and 6.1.3 was vulnerable to a directory traversal attack which could be used to execute arbitrary macros bundled with a document.
Published Mar 25, 2019 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2018-16858, DLA-1669-1, DSA-4381-1, SUSE-SU-2019:1448-1, SUSE-SU-2019:1894-1, SUSE-SU-2019:2003-1, UBUNTU-CVE-2018-16858
Key Facts
Patch immediately- CVE-2018-16858 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting libreoffice-fresh (arch), libreoffice (debian), autocorr-af (oracle) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 67% probability of exploitation in the next 30 days.
- Fixed versions are available, including autocorr-af 1:5.3.6.1-21.0.1.el7, autocorr-bg 1:5.3.6.1-21.0.1.el7, autocorr-ca 1:5.3.6.1-21.0.1.el7.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
67%
Higher than 99.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2018-16858 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
It was found that libreoffice before versions 6.0.7 and 6.1.3 was vulnerable to a directory traversal attack which could be used to execute arbitrary macros bundled with a document. An attacker could craft a document, which when opened by LibreOffice, would execute a Python method from a script in any arbitrary file system location, specified relative to the LibreOffice install location.
Affected Products
2,018 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| libreoffice-fresharch | See advisory | 6.1.3-1 |
| libreofficedebian | See advisory | 1:6.1.3-1 |
| autocorr-aforacle | See advisory | 1:5.3.6.1-21.0.1.el7 |
| autocorr-bgoracle | See advisory | 1:5.3.6.1-21.0.1.el7 |
| autocorr-caoracle | See advisory | 1:5.3.6.1-21.0.1.el7 |
Patched Releases
autocorr-af
1:5.3.6.1-21.0.1.el7
autocorr-bg
1:5.3.6.1-21.0.1.el7
autocorr-ca
1:5.3.6.1-21.0.1.el7
autocorr-cs
1:5.3.6.1-21.0.1.el7
autocorr-da
1:5.3.6.1-21.0.1.el7
autocorr-de
1:5.3.6.1-21.0.1.el7
autocorr-en
1:5.3.6.1-21.0.1.el7
autocorr-es
1:5.3.6.1-21.0.1.el7
autocorr-fa
1:5.3.6.1-21.0.1.el7
autocorr-fi
1:5.3.6.1-21.0.1.el7
autocorr-fr
1:5.3.6.1-21.0.1.el7
autocorr-ga
1:5.3.6.1-21.0.1.el7
autocorr-hr
1:5.3.6.1-21.0.1.el7
autocorr-hu
1:5.3.6.1-21.0.1.el7
autocorr-is
1:5.3.6.1-21.0.1.el7
autocorr-it
1:5.3.6.1-21.0.1.el7
autocorr-ja
1:5.3.6.1-21.0.1.el7
autocorr-ko
1:5.3.6.1-21.0.1.el7
autocorr-lb
1:5.3.6.1-21.0.1.el7
autocorr-lt
1:5.3.6.1-21.0.1.el7
autocorr-mn
1:5.3.6.1-21.0.1.el7
autocorr-nl
1:5.3.6.1-21.0.1.el7
autocorr-pl
1:5.3.6.1-21.0.1.el7
autocorr-pt
1:5.3.6.1-21.0.1.el7
autocorr-ro
1:5.3.6.1-21.0.1.el7
Timeline
Publicly disclosed
Mar 25, 2019
Last updated
Aug 4, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-356 Product UI does not Warn User of Unsafe Actions
References
- advisoryhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16858
- advisoryhttps://bugzilla.suse.com/1089811
- advisoryhttps://bugzilla.suse.com/1110348
- advisoryhttps://bugzilla.suse.com/1112112
- advisoryhttps://bugzilla.suse.com/1112113
FAQ
Common Questions.
It was found that libreoffice before versions 6.0.7 and 6.1.3 was vulnerable to a directory traversal attack which could be used to execute arbitrary macros bundled with a document.
Affected: libreoffice-fresh (arch); libreoffice (debian); autocorr-af (oracle), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including autocorr-af 1:5.3.6.1-21.0.1.el7, autocorr-bg 1:5.3.6.1-21.0.1.el7, autocorr-ca 1:5.3.6.1-21.0.1.el7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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