> This PR limits the `tableIndex` value, used by the LZWDecoder algorithm in 
> `GIFImageLoader2`, to avoid a potential AIOOB exception that happens on some 
> animated GIFs, to the maximum size of the tables used (4096). 
> 
> In some occasions loading an animated GIF like the one used in the included 
> test, doesn't throw such exception, because we `allow partially loaded 
> animated images` in `ImageStorage`, but only a few frames are loaded.
> 
> In theory, greater values of such index would operate over completely full 
> tables, so there is no need to add new values in this case, and therefore, 
> there is no risk in limiting the value to 4096.
> 
> This PR will prevent the exception and all the frames should load. The 
> included test passes now (and fails loading only 10 frames out of 44 without 
> the proposed fix).

Jose Pereda has updated the pull request incrementally with one additional 
commit since the last revision:

  Modify test to avoid online resources

-------------

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/513/files
  - new: https://git.openjdk.java.net/jfx/pull/513/files/d6748b89..03897b70

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jfx&pr=513&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jfx&pr=513&range=00-01

  Stats: 113 lines in 1 file changed: 108 ins; 1 del; 4 mod
  Patch: https://git.openjdk.java.net/jfx/pull/513.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/513/head:pull/513

PR: https://git.openjdk.java.net/jfx/pull/513

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