What is CVE-2021-37789?

CVE-2021-37789 is a high-severity vulnerability in Stb Project, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2022-11-02.

How severe is CVE-2021-37789?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Stb Project

CVE-2021-37789

stb_image.h 2.27 has a heap-based buffer over in stbi__jpeg_load, leading to Information Disclosure or Denial of Service.

Vulnerability class: Buffer Overflow

Published 2022-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Stb Project — versions 2.27
Debian Linux — versions 10.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/nothings/stb/issues/1178 (Exploit, Third Party Advisory, Issue Tracking)
lists.debian.org/debian-lts-announce/2023/01/msg00045.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-37789?: CVE-2021-37789 is a high-severity vulnerability in Stb Project, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2022-11-02.
How severe is CVE-2021-37789?: High severity. CVSS v3 base score is 8.1 out of 10.