Amazon Linux 2023 : jxl-pixbuf-loader, libjxl, libjxl-devel (ALAS2023-2026-1459)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1459 advisory. A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized but allocated memory. This can be done by causing the decoder to reference an outside-image-bound area...

CVE-2026-1837 libjxl: Out-of-bounds write in grayscale color transformation when using LCMS2

A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated memory. Soon after that data from another uninitialized unallocated region is copied to pixel data. This can be done by requesting color transformation of grayscale images to another grayscale col...

CVE-2026-1837

A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated memory. Soon after that data from another uninitialized unallocated region is copied to pixel data. This can be done by requesting color transformation of grayscale images to another grayscale col...