Security update for libpng16
This update for libpng16 fixes the following issues: - CVE-2026-46675: Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression (bsc#1283183). Changes for libpng16: - version update to 1.6.59 (jsc#PED-16190): * Fixed a regression introduced in version 1.6.47 that caused libpng to reject hIST chunks in their correct position, after PLTE. * Prevented a double free of `png_struct` members after an allocation failure. * Applied fixes and updates to the CMake build. * Adopted the REUSE Specification for licensing the CI files.
- Auf 1.6.59-150000.3.28.1 aktualisieren