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CVE-2016-10327

31
FAUCET Score

CVE-2016-10327 describes a critical heap-based buffer overflow vulnerability in LibreOffice versions prior to 2016-12-22, specifically within the EnhWMFReader::ReadEnhWMF function. This flaw allows for an out-of-bounds write, posing a severe risk to affected systems. With a CVSS score of 9.8 (Critical), it presents an easily exploitable network-based attack vector that could lead to complete compromise of confidentiality, integrity, and availability without user interaction. Despite its high severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.3.0.0CPE matchmatch criteria
cpe:2.3:a:libreoffice:libreoffice:*:beta2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.60%
Probability of exploitation in next 30 days
EPSS Percentile
88.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0360 is in the 81st percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 (3)

asteriskpatch availablevia llm_extracted
Fixed in: 5.2.5/5.3.0
View patch
check_pointpatch availablevia llm_extracted
Fixed in: 5.2.5/5.3.0
View patch
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (3)

redhatCVE-2016-10327Moderate

libreoffice: Heap-buffer-overflow in EnhWMFReader::ReadEnhWMF

Dec 30, 2016
asteriskllm-asterisk-b123f376fbc77073

Heap-buffer-overflow in EMF filter

check_pointllm-check_point-56def5f083a89fbf

Heap-buffer-overflow in EMF filter

References

bugs.chromium.org / p/oss-fuzz/issues/detail
Third Party AdvisoryVDB Entry
github.com / LibreOffice/core/commit/7485fc2a1484f31631f62f97e5c64c0ae74c6416
PatchThird Party Advisory
security.gentoo.org / glsa/201706-28
libreoffice.org / about-us/security/advisories/cve-2016-10327
securityfocus.com / bid/97668
Third Party AdvisoryVDB Entry