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tiff.32960
tiff-CVE-2020-35524.patch
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File tiff-CVE-2020-35524.patch of Package tiff.32960
Index: tiff-4.0.9/tools/tiff2pdf.c =================================================================== --- tiff-4.0.9.orig/tools/tiff2pdf.c +++ tiff-4.0.9/tools/tiff2pdf.c @@ -2058,9 +2058,17 @@ void t2p_read_tiff_size(T2P* t2p, TIFF* #endif (void) 0; } - k = checkMultiply64(TIFFScanlineSize(input), t2p->tiff_length, t2p); - if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){ - k = checkMultiply64(k, t2p->tiff_samplesperpixel, t2p); +#ifdef JPEG_SUPPORT + if(t2p->pdf_compression == T2P_COMPRESS_JPEG + && t2p->tiff_photometric == PHOTOMETRIC_YCBCR) { + k = checkMultiply64(TIFFNumberOfStrips(input), TIFFStripSize(input), t2p); + } else +#endif + { + k = checkMultiply64(TIFFScanlineSize(input), t2p->tiff_length, t2p); + if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){ + k = checkMultiply64(k, t2p->tiff_samplesperpixel, t2p); + } } if (k == 0) { /* Assume we had overflow inside TIFFScanlineSize */
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