Cyber Resilience

CVE-2021-37789

HighPublic PoC

Published: 02 November 2022

Published
02 November 2022
Modified
02 May 2025
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS Score 0.0017 38.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-37789 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Stb Project Stb. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 38.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

stb project
stb
2.27
debian
debian linux
10.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References