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* libtiff/tif_jbig.c: fix memory leak in error code path of JBIGDecode()

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Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2706
Reported by team OWL337

* libtiff/tif_jpeg.c: error out at decoding time if anticipated libjpeg
This commit is contained in:
Even Rouault 2017-06-26 15:19:59 +00:00
parent a85d5f09dd
commit ede7b68218
2 changed files with 9 additions and 2 deletions
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ChangeLog
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@ -1,6 +1,12 @@
2017-06-26 Even Rouault <even.rouault at spatialys.com>
* libtiff/tif_jbig.c: fix memory leak in error code path of JBIGDecode()
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2706
Reported by team OWL337
2017-06-24 Even Rouault <even.rouault at spatialys.com> 2017-06-24 Even Rouault <even.rouault at spatialys.com>
* libjpeg/tif_jpeg.c: error out at decoding time if anticipated libjpeg * libtiff/tif_jpeg.c: error out at decoding time if anticipated libjpeg
memory allocation is above 100 MB. libjpeg in case of multiple scans, memory allocation is above 100 MB. libjpeg in case of multiple scans,
which is allowed even in baseline JPEG, if components are spread over several which is allowed even in baseline JPEG, if components are spread over several
scans and not interleavedin a single one, needs to allocate memory (or scans and not interleavedin a single one, needs to allocate memory (or

3
libtiff/tif_jbig.c
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@ -1,4 +1,4 @@
/* $Id: tif_jbig.c,v 1.15 2010-03-10 18:56:48 bfriesen Exp $ */ /* $Id: tif_jbig.c,v 1.16 2017-06-26 15:20:00 erouault Exp $ */
/* /*
* Copyright (c) 1988-1997 Sam Leffler * Copyright (c) 1988-1997 Sam Leffler
@ -94,6 +94,7 @@ static int JBIGDecode(TIFF* tif, uint8* buffer, tmsize_t size, uint16 s)
jbg_strerror(decodeStatus) jbg_strerror(decodeStatus)
#endif #endif
); );
jbg_dec_free(&decoder);
return 0; return 0;
} }