This update for libpng16 fixes the following issues:
- CVE-2026-25646: Fixed a heap buffer overflow vulnerability in png_set_dither/png_set_quantize (bsc#1258020).
- CVE-2025-28162: memory leaks when running
pngimage (bsc#1257364).
- CVE-2025-28164: memory leaks when running
pngimage (bsc#1257365).
- CVE-2026-22695: Fixed heap buffer over-read in png_image_finish_read (bsc#1256525).
- CVE-2026-22801: Fixed integer truncation causing heap buffer over-read in png_image_write_* (bsc#1256526).