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openSUSE:Backports:SLE-12-SP1
openjpeg2.7301
openjpeg2-CVE-2016-7163.patch
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File openjpeg2-CVE-2016-7163.patch of Package openjpeg2.7301
diff --git a/src/lib/openjp2/pi.c b/src/lib/openjp2/pi.c index 04f6a26..7e900e6 100644 --- a/src/lib/openjp2/pi.c +++ b/src/lib/openjp2/pi.c @@ -1241,7 +1241,13 @@ opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image, l_current_pi = l_pi; /* memory allocation for include */ - l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16)); + /* prevent an integer overflow issue */ + l_current_pi->include = 00; + if (l_step_l <= (SIZE_MAX / (l_tcp->numlayers + 1U))) + { + l_current_pi->include = (OPJ_INT16*) opj_calloc((size_t)(l_tcp->numlayers + 1U) * l_step_l, sizeof(OPJ_INT16)); + } + if (!l_current_pi->include) {
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