What is CVE-2020-6623?

CVE-2020-6623 is a high-severity vulnerability in Nothings Stb_truetype.h, classified under Reachable Assertion. CVSS score: 8.8/10. Published 2020-01-08.

How severe is CVE-2020-6623?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-6623 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Nothings Stb_truetype.h

CVE-2020-6623

stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.

EPSS: 0.015 (70.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Nothings Stb_truetype.h
N/a — versions n/a

Weakness classification (CWE)

CWE-617 — Reachable Assertion

Public proof-of-concept exploits

ARPSyndicate/cvemon
starseeker/struetype

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-6623?: CVE-2020-6623 is a high-severity vulnerability in Nothings Stb_truetype.h, classified under Reachable Assertion. CVSS score: 8.8/10. Published 2020-01-08.
How severe is CVE-2020-6623?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-6623 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.