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CVE-2025-15536

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CVE-2025-15536

Published: Jan 18, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

VendorProductVersions

BYVoid

OpenCC

affected
1.1.0
affected
1.1.1
affected
1.1.2
affected
1.1.3
affected
1.1.4

+5 more versions

Weaknesses (CWE)

CWE-122
CWE-119

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-341708 | CTI Indicators (IOB, IOC, IOA)
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