Vulnerability Details CVE-2025-15536
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.3%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 4.3
References
- https://github.com/BYVoid/OpenCC/commit/345c9a50ab07018f1b4439776bad78a0d40778ec
- https://github.com/BYVoid/OpenCC/issues/997
- https://github.com/BYVoid/OpenCC/pull/1005
- https://github.com/oneafter/1222/blob/main/repro
- https://vuldb.com/?ctiid.341708
- https://vuldb.com/?id.341708
- https://vuldb.com/?submit.733347
- https://github.com/BYVoid/OpenCC/issues/997
Products affected by CVE-2025-15536
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cpe:2.3:a:byvoid:open_chinese_convert:0.0.2
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cpe:2.3:a:byvoid:open_chinese_convert:0.0.3
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cpe:2.3:a:byvoid:open_chinese_convert:0.0.4
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cpe:2.3:a:byvoid:open_chinese_convert:0.0.5
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cpe:2.3:a:byvoid:open_chinese_convert:0.1.0
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cpe:2.3:a:byvoid:open_chinese_convert:0.1.1
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cpe:2.3:a:byvoid:open_chinese_convert:0.1.2
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cpe:2.3:a:byvoid:open_chinese_convert:0.2.0
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cpe:2.3:a:byvoid:open_chinese_convert:0.4.0
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cpe:2.3:a:byvoid:open_chinese_convert:0.4.1
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cpe:2.3:a:byvoid:open_chinese_convert:0.4.2
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cpe:2.3:a:byvoid:open_chinese_convert:0.4.3
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cpe:2.3:a:byvoid:open_chinese_convert:1.0.1
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cpe:2.3:a:byvoid:open_chinese_convert:1.0.2
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cpe:2.3:a:byvoid:open_chinese_convert:1.0.3
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cpe:2.3:a:byvoid:open_chinese_convert:1.0.3-1
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cpe:2.3:a:byvoid:open_chinese_convert:1.0.4
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cpe:2.3:a:byvoid:open_chinese_convert:1.0.5