Buffer overflow in Thunlp Thulac

CVE-2018-14563

An issue was discovered in libthulac.so in THULAC through 2018-02-25. "operator delete" is used with "operator new[]" in the TaggingLearner class in include/cb_tagging_learner.h, possibly leading to memory corruption.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-14563?
CVE-2018-14563 is a critical-severity vulnerability in Thunlp Thulac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-07-23.
How severe is CVE-2018-14563?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-14563 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.