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Red Hat Bugzilla – Attachment 831464 Details for
Bug 1036495
CVE-2013-6045 openjpeg: heap-based buffer overflows
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[patch]
proposed patch 4
segfault5.patch (text/plain), 726 bytes, created by
Murray McAllister
on 2013-12-02 07:36:13 UTC
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Description:
proposed patch 4
Filename:
MIME Type:
Creator:
Murray McAllister
Created:
2013-12-02 07:36:13 UTC
Size:
726 bytes
patch
obsolete
>Index: openjpeg-1.5.1/libopenjpeg/j2k.c >=================================================================== >--- openjpeg-1.5.1.orig/libopenjpeg/j2k.c 2013-01-01 01:01:01.000000000 +0000 >+++ openjpeg-1.5.1/libopenjpeg/j2k.c 2013-01-01 01:01:01.000000000 +0000 >@@ -823,6 +823,12 @@ static void j2k_read_coc(opj_j2k_t *j2k) > > len = cio_read(cio, 2); /* Lcoc */ > compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */ >+ if ((compno < 0) || (compno >= image->numcomps)) { >+ opj_event_msg(j2k->cinfo, EVT_ERROR , >+ "bad component number in COC (%d out of a maximum of %d)\n", >+ compno, image->numcomps); >+ return; >+ } > tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */ > j2k_read_cox(j2k, compno); > }
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