SB2026020379 - Heap-based buffer overflow in BYVoid OpenCC
Published: February 3, 2026
Security Bulletin ID
SB2026020379
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2025-15536)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary error within the opencc::MaxMatchSegmentation() function in src/MaxMatchSegmentation.cpp. A remote attacker can pass specially crafted data to he application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.