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SUSE:SLE-12-SP4:GA
openjpeg2
openjpeg2-CVE-2020-27842.patch
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File openjpeg2-CVE-2020-27842.patch of Package openjpeg2
Index: openjpeg-2.1.0/src/lib/openjp2/t2.c =================================================================== --- openjpeg-2.1.0.orig/src/lib/openjp2/t2.c +++ openjpeg-2.1.0/src/lib/openjp2/t2.c @@ -586,8 +586,15 @@ OPJ_BOOL opj_t2_encode_packet( OPJ_UINT band = res->bands; for(bandno = 0; bandno < res->numbands; ++bandno) { - opj_tcd_precinct_t *prc = &band->precincts[precno]; + opj_tcd_precinct_t *prc; + /* Avoid out of bounds access of https://github.com/uclouvain/openjpeg/issues/1294 */ + /* but likely not a proper fix. */ + if (precno >= res->pw * res->ph) { + return OPJ_FALSE; + } + + prc = &band->precincts[precno]; opj_tgt_reset(prc->incltree); opj_tgt_reset(prc->imsbtree);
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