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4 vulnerabilities by byvoid
CVE-2025-15536 (GCVE-0-2025-15536)
Vulnerability from nvd – Published: 2026-01-18 09:02 – Updated: 2026-02-23 08:37 X_Open Source
VLAI
Title
BYVoid OpenCC MaxMatchSegmentation.cpp MaxMatchSegmentation heap-based overflow
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341708 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341708 | signaturepermissions-required |
| https://vuldb.com/?submit.733347 | third-party-advisory |
| https://github.com/BYVoid/OpenCC/issues/997 | issue-tracking |
| https://github.com/BYVoid/OpenCC/pull/1005 | issue-tracking |
| https://github.com/oneafter/1222/blob/main/repro | exploit |
| https://github.com/BYVoid/OpenCC/commit/345c9a50a… | patch |
| https://github.com/BYVoid/OpenCC/ | product |
Impacted products
Credits
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CVE-2018-16982 (GCVE-0-2018-16982)
Vulnerability from nvd – Published: 2018-09-13 02:00 – Updated: 2024-09-17 04:23
VLAI
Summary
Open Chinese Convert (OpenCC) 1.0.5 allows attackers to cause a denial of service (segmentation fault) because BinaryDict::NewFromFile in BinaryDict.cpp may have out-of-bounds keyOffset and valueOffset values via a crafted .ocd file.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/BYVoid/OpenCC/issues/303 | x_refsource_MISC |
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CVE-2025-15536 (GCVE-0-2025-15536)
Vulnerability from cvelistv5 – Published: 2026-01-18 09:02 – Updated: 2026-02-23 08:37 X_Open Source
VLAI
Title
BYVoid OpenCC MaxMatchSegmentation.cpp MaxMatchSegmentation heap-based overflow
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341708 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341708 | signaturepermissions-required |
| https://vuldb.com/?submit.733347 | third-party-advisory |
| https://github.com/BYVoid/OpenCC/issues/997 | issue-tracking |
| https://github.com/BYVoid/OpenCC/pull/1005 | issue-tracking |
| https://github.com/oneafter/1222/blob/main/repro | exploit |
| https://github.com/BYVoid/OpenCC/commit/345c9a50a… | patch |
| https://github.com/BYVoid/OpenCC/ | product |
Impacted products
Credits
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CVE-2018-16982 (GCVE-0-2018-16982)
Vulnerability from cvelistv5 – Published: 2018-09-13 02:00 – Updated: 2024-09-17 04:23
VLAI
Summary
Open Chinese Convert (OpenCC) 1.0.5 allows attackers to cause a denial of service (segmentation fault) because BinaryDict::NewFromFile in BinaryDict.cpp may have out-of-bounds keyOffset and valueOffset values via a crafted .ocd file.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/BYVoid/OpenCC/issues/303 | x_refsource_MISC |
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"dateReserved": "2018-09-12T00:00:00.000Z",
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