CVE-2022-29977

Name: CVE-2022-29977
Creator: NVD / NIST
Published: 2022-05-11T14:15:08.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2022-29977 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.97%

57.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Saitoha	Libsixel	1.8.6

References

https://github.com/saitoha/libsixel/issues/165Exploit, Issue Tracking, Third Party Advisory
https://github.com/saitoha/libsixel/issues/165Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: May 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29977?

How severe is CVE-2022-29977?

CVE-2022-29977 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29977?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-29977?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST