compat-libtiff3 security update

3.9.4-16 - fix CVE-2026-12912: heap-buffer-overflow in PixarLog ABGR decoding RHEL-189375...

CVE-2026-43909 OpenImageIO: Signed integer overflow in SwapRGBABytes loop index leads to out-of-bounds read/write in DPX ABGR decoder

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a signed 32-bit integer overflow in the loop index expression i 4 inside SwapRGBABytes causes the function to compute a large negative...