Bug 2430670 (CVE-2025-15536) - CVE-2025-15536 opencc: OpenCC: Heap-based buffer overflow in MaxMatchSegmentation function allows local attackers to impact system integrity.
Summary: CVE-2025-15536 opencc: OpenCC: Heap-based buffer overflow in MaxMatchSegmenta...
Keywords:
Status: NEW
Alias: CVE-2025-15536
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2430837 2430838 2430839
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-18 10:01 UTC by OSIDB Bzimport
Modified: 2026-01-19 14:28 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-01-18 10:01:15 UTC 
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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