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Red Hat Bugzilla – Attachment 831465 Details for
Bug 1036495
CVE-2013-6045 openjpeg: heap-based buffer overflows
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[patch]
proposed patch 5
segfault7.patch (text/plain), 662 bytes, created by
Murray McAllister
on 2013-12-02 07:36:49 UTC
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Description:
proposed patch 5
Filename:
MIME Type:
Creator:
Murray McAllister
Created:
2013-12-02 07:36:49 UTC
Size:
662 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 >@@ -1606,6 +1606,14 @@ static void j2k_read_rgn(opj_j2k_t *j2k) > }; > #endif /* USE_JPWL */ > >+ /* totlen is negative or larger than the bytes left!!! */ >+ if (compno >= numcomps) { >+ opj_event_msg(j2k->cinfo, EVT_ERROR, >+ "JPWL: bad component number in RGN (%d when there are only %d)\n", >+ compno, numcomps); >+ return; >+ } >+ > tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */ > } >
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