VULNERABILITY INTELLIGENCE

CVE-2025-15536

CVSS score5.3 MEDIUM

EPSS probability0.25%

CISA KEVNot currently listed

Published2026-01-18

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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.

Weakness classification

cna@vuldb.com: CWE-119
nvd@nist.gov: CWE-787

Primary references

cna@vuldb.com
cna@vuldb.com — Patch
cna@vuldb.com — Exploit, Issue Tracking, Patch
cna@vuldb.com — Issue Tracking, Patch
cna@vuldb.com — Product
cna@vuldb.com — Permissions Required, VDB Entry
cna@vuldb.com — Third Party Advisory, VDB Entry
cna@vuldb.com — Exploit, Third Party Advisory, VDB Entry
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, Issue Tracking, Patch