There is an assertion failure error in stbi_jpeghuffdecode, stbimage.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.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-29977.json"