[mapserver-commits] [MapServer/MapServer] ca4d25: [Backport branch-8-6] bound gif palette index read...

[github-actions[bot]]

  Branch: refs/heads/branch-8-6
  Home:   https://github.com/MapServer/MapServer
  Commit: ca4d255846f4f52ae79fec94bcbc34c7f545925a
      https://github.com/MapServer/MapServer/commit/ca4d255846f4f52ae79fec94bcbc34c7f545925a
  Author: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
  Date:   2026-07-07 (Tue, 07 Jul 2026)

  Changed paths:
    A msautotest/misc/data/gif_no_colormap.gif
    A msautotest/misc/data/gif_palette_oob.gif
    A msautotest/renderers/expected/gif_no_colormap.txt
    A msautotest/renderers/expected/gif_palette_oob.txt
    A msautotest/renderers/gif_palette_bounds.map
    M msautotest/renderers/symbolset
    M src/mapimageio.c

  Log Message:
  -----------
  [Backport branch-8-6] bound gif palette index reads to the color table size (#7551)

* bound gif palette index reads to color table size

* msautotest: regression test for out-of-bounds GIF palette reads

* readGIF: free buffers and close handle on error returns

The no-colormap and img-size-exceeds-screen error paths returned without
releasing the pixel buffer or the giflib handle, so the regression GIFs
tripped LeakSanitizer under the ASAN test job. Release both before
returning.

* readGIF: route the final close through closeGIF

---------

Co-authored-by: Naveed <naveed at bugqore.com>



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