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CVE-2017-9806

26
FAUCET Score

CVE-2017-9806 is a memory corruption vulnerability in the Apache OpenOffice Writer DOC file parser (specifically the WW8Fonts Constructor) prior to version 4.1.4. This allows attackers to craft malicious documents that can lead to denial of service (application crash) and potentially arbitrary code execution. With a CVSS score of 7.8 (High), it requires user interaction (opening a malicious document) but has a low attack complexity, posing a significant risk to confidentiality, integrity, and availability. While no public exploit code or active exploitation has been identified, it has received some community and media attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.1.4CPE matchmatch criteria
cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
1.80%
Probability of exploitation in next 30 days
EPSS Percentile
76.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0181 is in the 75th percentile among its peer group of 11,621 CVEs.

Social Chatter

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

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 (6)

asteriskpatch availablevia llm_extracted
Fixed in: 3.4.3
View patch
check_pointpatch availablevia llm_extracted
Fixed in: 3.4.3
View patch
denopatch availablevia llm_extracted
Fixed in: 4.1.4
View patch
libreofficepatch availablevia llm_extracted
Fixed in: 4.1.4
View patch
nessuspatch availablevia llm_extracted
Fixed in: 4.1.4
postgresqlpatch availablevia llm_extracted
Fixed in: 4.1.4
View patch

Vendor Advisories (7)

redhatCVE-2017-9806Important

libreoffice: Out-of-bounds write in the WW8Fonts::WW8Fonts functionality

Oct 26, 2017
asteriskllm-asterisk-b176debaf8395071

Out-of-Bounds Write in Writer's WW8Fonts Constructor

check_pointllm-check_point-744b96466eac2aa7

Out-of-Bounds Write in Writer's WW8Fonts Constructor

denollm-deno-061dcbeac4d29ea1

Out-of-Bounds Write in Writer's WW8Fonts Constructor

postgresqlllm-postgresql-3fc64ac18be2551f

Out-of-Bounds Write in Writer's WW8Fonts Constructor

libreofficellm-libreoffice-f2563e52fdc80f8e

Out-of-Bounds Write in Writer's WW8Fonts Constructor

nessusllm-nessus-f8bef058fa749ee2

Out-of-Bounds Write in Writer's WW8Fonts Constructor

References

openoffice.org / security/cves/CVE-2017-9806.html
Vendor Advisory
securityfocus.com / bid/101585
Broken LinkThird Party AdvisoryVDB Entry