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CVE-2018-10120

20
FAUCET Score

CVE-2018-10120 describes a heap-based buffer overflow vulnerability in LibreOffice versions before 5.4.6.1 and 6.x before 6.0.2.1, specifically within the SwCTBWrapper::Read function. This flaw allows remote attackers to trigger a denial of service or potentially achieve other unspecified impacts by enticing a user to open a specially crafted Microsoft Word document. The vulnerability carries a CVSS v3 score of 7.8 (High), indicating a high potential for impact on confidentiality, integrity, and availability, requiring user interaction (UI:R) to exploit. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
< 5.4.6.1CPE matchmatch criteria
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
>= 6.0.0, < 6.0.2.1CPE matchmatch criteria
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.13%
Probability of exploitation in next 30 days
EPSS Percentile
80.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0213 is in the 80th percentile among its peer group of 11,616 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

asteriskpatch availablevia llm_extracted
Fixed in: 5.4.6/6.0.2
View patch
check_pointpatch availablevia llm_extracted
Fixed in: 5.4.6/6.0.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libreoffice-1:5.3.6.1-19.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libreoffice

Vendor Advisories (3)

redhatCVE-2018-10120Moderate

libreoffice: Out of bounds write in filter/ww8/ww8toolbar.cxx:SwCTBWrapper class allows for denial of service with crafted document

Feb 9, 2018
asteriskllm-asterisk-14080e6276065213

Heap Buffer Overflow in MSWord Customizations parsing

check_pointllm-check_point-c7fab38606b7399e

Heap Buffer Overflow in MSWord Customizations parsing

References

access.redhat.com / errata/RHSA-2018:3054
Third Party Advisory
bugs.chromium.org / p/oss-fuzz/issues/detail
Third Party Advisory
gerrit.libreoffice.org
PatchVendor Advisory
gerrit.libreoffice.org
PatchVendor Advisory
gerrit.libreoffice.org
PatchVendor Advisory
gerrit.libreoffice.org / gitweb
lists.debian.org / debian-lts-announce/2018/04/msg00021.html
Third Party Advisory
usn.ubuntu.com / 3883-1
Third Party Advisory
debian.org / security/2018/dsa-4178
Third Party Advisory
libreoffice.org / about-us/security/advisories/cve-2018-10120
Vendor Advisory