PT-2026-3384 · Byvoid+2 · Byvoid Opencc+2

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CVE-2025-15536

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Published

2026-01-18

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Updated

2026-05-26

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions BYVoid OpenCC versions through 1.1.9
Description A flaw exists in BYVoid OpenCC that could allow for local code execution. This issue stems from a heap-based buffer overflow within the opencc::MaxMatchSegmentation function located in the src/MaxMatchSegmentation.cpp file. The exploit for this issue has been publicly released.
Recommendations Deploy patch 345c9a50ab07018f1b4439776bad78a0d40778ec.

Exploit

Fix

Buffer Overflow

Heap Based Buffer Overflow

Memory Corruption

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Weakness Enumeration

Related Identifiers

AZL-74768
AZL-74790
CVE-2025-15536
GHSA-5PR6-CRVP-2J9F
OESA-2026-1209
OESA-2026-1210
OESA-2026-1211
OESA-2026-1212
OESA-2026-1213
OPENSUSE-SU-2026:10102-1
OPENSUSE-SU-2026:20683-1
SUSE-SU-2026:21553-1
USN-7972-1
USN-7972-2

Affected Products

Byvoid Opencc
Linuxmint
Ubuntu