[mapserver-commits] [MapServer/MapServer] 79cf5b: bound gif palette index reads to color table size

[Naveed]

  Branch: refs/heads/backport-7541-to-branch-8-6
  Home:   https://github.com/MapServer/MapServer
  Commit: 79cf5b96b15fbff52a7efdcd82d172a46448563b
      https://github.com/MapServer/MapServer/commit/79cf5b96b15fbff52a7efdcd82d172a46448563b
  Author: Naveed <naveed at bugqore.com>
  Date:   2026-07-06 (Mon, 06 Jul 2026)

  Changed paths:
    M src/mapimageio.c

  Log Message:
  -----------
  bound gif palette index reads to color table size


  Commit: 328a526f5ebde7599b997c826461f6228b5b8d18
      https://github.com/MapServer/MapServer/commit/328a526f5ebde7599b997c826461f6228b5b8d18
  Author: Naveed <naveed at bugqore.com>
  Date:   2026-07-06 (Mon, 06 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

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


  Commit: 16bf4957ea747fd50e74fe45102bfff4f92f3eb7
      https://github.com/MapServer/MapServer/commit/16bf4957ea747fd50e74fe45102bfff4f92f3eb7
  Author: Naveed <naveed at bugqore.com>
  Date:   2026-07-06 (Mon, 06 Jul 2026)

  Changed paths:
    M src/mapimageio.c

  Log Message:
  -----------
  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.


  Commit: b65e3ce60fda9f1d65515d406faccbe2ab4952a0
      https://github.com/MapServer/MapServer/commit/b65e3ce60fda9f1d65515d406faccbe2ab4952a0
  Author: Naveed <naveed at bugqore.com>
  Date:   2026-07-06 (Mon, 06 Jul 2026)

  Changed paths:
    M src/mapimageio.c

  Log Message:
  -----------
  readGIF: route the final close through closeGIF


Compare: https://github.com/MapServer/MapServer/compare/79cf5b96b15f%5E...b65e3ce60fda

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