Out-of-bounds Read in Nothings Stb Truetype.h

CVE-2020-6622

stb stb_truetype.h through 1.22 has a heap-based buffer over-read in stbtt__buf_peek8.

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.014 (72.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-6622: held from 0.014 to 0.014.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-6622?
CVE-2020-6622 is a high-severity vulnerability in Nothings Stb Truetype.h, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2020-01-08.
How severe is CVE-2020-6622?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-6622 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.