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CVE-2018-16982

20
FAUCET Score

CVE-2018-16982 is a denial-of-service vulnerability affecting Open Chinese Convert (OpenCC) version 1.0.5. Attackers can trigger a segmentation fault by providing a specially crafted .ocd file, leading to out-of-bounds memory access. This vulnerability has a CVSS score of 5.5 (MEDIUM), indicating a local attack vector with low complexity, requiring user interaction, and resulting in high availability impact. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.5CPE matchmatch criteria
cpe:2.3:a:byvoid:open_chinese_convert:1.0.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
61.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 72nd percentile among its peer group of 5,758 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

npmpatch availablevia ghsa
Product: openccFixed in: 1.1.2
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (2)

npmGHSA-9qh2-6fxg-9m4gmedium

Open Chinese Convert subject to Denial of Service via Out-of-bounds Read

May 14, 2022
redhatCVE-2018-16982Low

opencc: out-of-bounds keyOffset and valueOffset values in BinaryDict::NewFromFile in BinaryDict.cpp

Sep 13, 2018

References

github.com / BYVoid/OpenCC/issues/303
ExploitVendor Advisory