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[Bug] Incorrect filter values being set in png_set_filter when passing PNG_NO_FILTERS or PNG_FILTER_VALUE_*

Status: Open.

#786 In pnggroup/libpng;

· dartheditous opened on Jan 26, 2026

CMAKE: WIN32: Wrong symlink created for import library

Status: Open.

#783 In pnggroup/libpng;

· carlo-bramini opened on Jan 19, 2026

[BUG] runtime error in <code>pngfix.c</code>

Status: Open.

#779 In pnggroup/libpng;

· ShangzhiXu opened on Jan 8, 2026

[Security] Heap buffer over-read in <code>png_image_read_direct_scaled</code> when row_stride exceeds row width

Status: Open.

#778 In pnggroup/libpng;

· simecek opened on Jan 6, 2026

[Bug] Protential heap-buffer-overflow crash in <code>genpng.c</code>

Status: Open.

#777 In pnggroup/libpng;

· ShangzhiXu opened on Jan 5, 2026

[Bug] Protential stack-buffer-overflow crash in <code>pngfix.c</code>

Status: Open.

#776 In pnggroup/libpng;

· ShangzhiXu opened on Jan 4, 2026

Should "bad header (invalid type)" errors be more forgiving towards lowercase chunk names?

Status: Open.

#775 In pnggroup/libpng;

· nohle opened on Dec 22, 2025

Possible security issues should be reported through a different channel

Status: Open.

#765 In pnggroup/libpng;

· apiraino opened on Nov 28, 2025

Failed to load PNG images with valid hIST chunks

Status: Open.

#758 In pnggroup/libpng;

· aYukiSekiguchi opened on Nov 20, 2025

Visual Studio cannot find precompiled header error C1010

Status: Open.

#724 In pnggroup/libpng;

· trevorsandy opened on Jul 12, 2025

New fdAT handling code likely missing check for critical chunks

Status: Open.

#718 In pnggroup/libpng;

· fintelia opened on Jul 4, 2025

ERROR REPORTING: CRC errors in ancillary chunks may cancel the warning about a damaged chunk

Status: Open.

#709 In pnggroup/libpng;

· jbowler opened on Jun 22, 2025