Loading
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has an assertion failure in stbi__shiftsigned.
Use CWE-617, Nothings vendor hub and Stb Image.H product page to widen CVE-2019-20056 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2023-45666, CVE-2023-45664 and CVE-2023-43281 for nearby disclosures in the same product family.