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SUSE:SLE-12-SP4:GA
openjpeg2
openjpeg2-CVE-2020-8112.patch
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File openjpeg2-CVE-2020-8112.patch of Package openjpeg2
Index: openjpeg-2.1.0/src/lib/openjp2/tcd.c =================================================================== --- openjpeg-2.1.0.orig/src/lib/openjp2/tcd.c +++ openjpeg-2.1.0/src/lib/openjp2/tcd.c @@ -783,8 +783,22 @@ OPJ_BOOL FUNCTION ( opj_tcd_t *p_tcd /* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */ \ l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx; \ l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy; \ - l_br_prc_x_end = opj_int_ceildivpow2(l_res->x1, (OPJ_INT32)l_pdx) << l_pdx; \ - l_br_prc_y_end = opj_int_ceildivpow2(l_res->y1, (OPJ_INT32)l_pdy) << l_pdy; \ + { \ + OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->x1, \ + (OPJ_INT32)l_pdx)) << l_pdx; \ + if (tmp > (OPJ_UINT32)INT_MAX) { \ + return OPJ_FALSE; \ + } \ + l_br_prc_x_end = (OPJ_INT32)tmp; \ + } \ + { \ + OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->y1, \ + (OPJ_INT32)l_pdy)) << l_pdy; \ + if (tmp > (OPJ_UINT32)INT_MAX) { \ + return OPJ_FALSE; \ + } \ + l_br_prc_y_end = (OPJ_INT32)tmp; \ + } \ /*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/ \ \ l_res->pw = (l_res->x0 == l_res->x1) ? 0 : (OPJ_UINT32)((l_br_prc_x_end - l_tl_prc_x_start) >> l_pdx); \
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