SUSE-SU-2026:0596-1 Security update for libpng16

This update for libpng16 fixes the following issues: - CVE-2025-28162: memory leaks when running pngimage bsc1257364. - CVE-2025-28164: memory leaks when running pngimage bsc1257365. - CVE-2026-22695: heap buffer over-read in pngimagefinishread bsc1256525. - CVE-2026-22801: integer truncation...

CLSA-2026-1771002358 libpng: Fix of CVE-2026-22801

CVE-2026-22801: fix heap buffer over-read in pngimagewrite...