CVE-2025-15536

5.3 MEDIUM
Published: January 18, 2026 Modified: February 23, 2026
View on NVD

Description

A weakness has been identified in BYVoid OpenCC up to 1.1.9. This vulnerability affects the function opencc::MaxMatchSegmentation of the file src/MaxMatchSegmentation.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. Patch name: 345c9a50ab07018f1b4439776bad78a0d40778ec. To fix this issue, it is recommended to deploy a patch.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/BYVoid/OpenCC/issues/997
Source: cna@vuldb.com
Exploit Issue Tracking Patch
https://github.com/BYVoid/OpenCC/pull/1005
Source: cna@vuldb.com
Issue Tracking Patch
https://vuldb.com/?ctiid.341708
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.341708
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.733347
Source: cna@vuldb.com
Exploit Third Party Advisory VDB Entry
https://github.com/BYVoid/OpenCC/issues/997
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Issue Tracking Patch

9 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.0%
2th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

byvoid