CVE-2025-15536: Open Chinese Convert has Out-of-bounds Write
(updated )
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.
References
- github.com/BYVoid/OpenCC
- github.com/BYVoid/OpenCC/commit/345c9a50ab07018f1b4439776bad78a0d40778ec
- github.com/BYVoid/OpenCC/issues/997
- github.com/BYVoid/OpenCC/pull/1005
- github.com/advisories/GHSA-5pr6-crvp-2j9f
- github.com/oneafter/1222/blob/main/repro
- nvd.nist.gov/vuln/detail/CVE-2025-15536
- vuldb.com/?ctiid.341708
- vuldb.com/?id.341708
- vuldb.com/?submit.733347
Code Behaviors & Features
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