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Red Hat Bugzilla – Attachment 831463 Details for
Bug 1036495
CVE-2013-6045 openjpeg: heap-based buffer overflows
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[patch]
proposed patch 3
segfault2.patch (text/plain), 774 bytes, created by
Murray McAllister
on 2013-12-02 07:35:30 UTC
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Description:
proposed patch 3
Filename:
MIME Type:
Creator:
Murray McAllister
Created:
2013-12-02 07:35:30 UTC
Size:
774 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 >@@ -1004,8 +1004,18 @@ static void j2k_read_qcc(opj_j2k_t *j2k) > > /* keep your private count of tiles */ > backup_compno++; >- }; >+ } >+ else > #endif /* USE_JPWL */ >+ { >+ /* compno is negative or larger than the number of components!!! */ >+ if ((compno < 0) || (compno >= numcomp)) { >+ opj_event_msg(j2k->cinfo, EVT_ERROR, >+ "JPWL: bad component number in QCC (%d out of a maximum of %d)\n", >+ compno, numcomp); >+ return; >+ } >+ } > > j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2)); > }
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