Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Byvoid | Open Chinese Convert | <= 1.1.9 |
Related Weaknesses (CWE)
References
- https://github.com/BYVoid/OpenCC/
- https://github.com/BYVoid/OpenCC/commit/345c9a50ab07018f1b4439776bad78a0d40778ecPatch
- https://github.com/BYVoid/OpenCC/issues/997ExploitIssue TrackingPatch
- https://github.com/BYVoid/OpenCC/pull/1005Issue TrackingPatch
- https://github.com/oneafter/1222/blob/main/reproProduct
- https://vuldb.com/?ctiid.341708Permissions RequiredVDB Entry
- https://vuldb.com/?id.341708Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.733347ExploitThird Party AdvisoryVDB Entry
- https://github.com/BYVoid/OpenCC/issues/997ExploitIssue TrackingPatch
FAQ
What is CVE-2025-15536?
CVE-2025-15536 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 hea...
How severe is CVE-2025-15536?
CVE-2025-15536 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-15536?
Check the references section above for vendor advisories and patch information. Affected products include: Byvoid Open Chinese Convert.