CVE-2025-15536
BYVoid OpenCC MaxMatchSegmentation.cpp MaxMatchSegmentation heap-based overflow
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
18 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
BYVoid · OpenCCReferences
https://github.com/BYVoid/OpenCC/https://github.com/BYVoid/OpenCC/commit/345c9a50ab07018f1b4439776bad78a0d40778echttps://github.com/BYVoid/OpenCC/issues/997https://github.com/BYVoid/OpenCC/pull/1005https://github.com/oneafter/1222/blob/main/reprohttps://vuldb.com/?ctiid.341708https://vuldb.com/?id.341708https://vuldb.com/?submit.733347