An issue was discovered in libthulac.so in THULAC through 2018-02-25. A heap-based buffer over-read can occur in NGramFeature::find_bases in include/cb_ngram_feature.h.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)