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openSUSE:Leap:42.3
tiff
tiff-CVE-2016-10267.patch
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File tiff-CVE-2016-10267.patch of Package tiff
--- a/libtiff/tif_ojpeg.c +++ b/libtiff/tif_ojpeg.c @@ -244,6 +244,7 @@ typedef enum { typedef struct { TIFF* tif; + int decoder_ok; #ifndef LIBJPEG_ENCAP_EXTERNAL JMP_BUF exit_jmpbuf; #endif @@ -722,6 +723,7 @@ OJPEGPreDecode(TIFF* tif, uint16 s) } sp->write_curstrile++; } + sp->decoder_ok = 1; return(1); } @@ -784,8 +786,14 @@ OJPEGPreDecodeSkipScanlines(TIFF* tif) static int OJPEGDecode(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s) { + static const char module[]="OJPEGDecode"; OJPEGState* sp=(OJPEGState*)tif->tif_data; (void)s; + if( !sp->decoder_ok ) + { + TIFFErrorExt(tif->tif_clientdata,module,"Cannot decode: decoder not correctly initialized"); + return 0; + } if (sp->libjpeg_jpeg_query_style==0) { if (OJPEGDecodeRaw(tif,buf,cc)==0)
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