Cyber Resilience

CVE-2022-27938

MediumPublic PoC

Published: 26 March 2022

Published
26 March 2022
Modified
24 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0014 33.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-27938 is a medium-severity Reachable Assertion (CWE-617) vulnerability in Libsixel Libsixel. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 33.6th 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 (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.

CWE(s)
CWE-617

Related Threats

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

Affected Assets

libsixel
libsixel
≤ 1.10.4
saitoha
libsixel
≤ 1.8.7

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References