CVE-2018-16982

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

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Severity

Low

Red Hat Product Security

4.7

CVSS 3.0

Review impact separately from score.

Published · September 13, 2018

Updated · November 22, 2025

Description

Open Chinese Convert (OpenCC) 1.0.5 allows attackers to cause a denial of service (segmentation fault) because BinaryDict::NewFromFile in BinaryDict.cpp may have out-of-bounds keyOffset and valueOffset values via a crafted .ocd file.

Statement

This issue did not affect the versions of opencc as shipped with Red Hat Enterprise Linux 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.7
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer