Attachment 1350 Details for Bug 4001 – re-diffed patch for CVE-2009-4636

[patch] re-diffed patch for CVE-2009-4636

ffmpeg-CVE-2009-4636.patch (text/plain), 652 bytes, created by David Walser on 2012-01-09 17:18:58 CET

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Creator: David Walser

Created: 2012-01-09 17:18:58 CET

Size: 652 bytes

patch

obsolete

--- ffmpeg/libavcodec/aacdec.c~	2010-11-12 06:04:40.000000000 -0500
+++ ffmpeg/libavcodec/aacdec.c	2012-01-09 11:14:49.324427012 -0500
@@ -739,9 +739,9 @@
                 av_log(ac->avctx, AV_LOG_ERROR, overread_err);
                 return -1;
             }
-            if (sect_end > ics->max_sfb) {
+            if (sect_end > ics->max_sfb || sect_end == 0) {
                 av_log(ac->avctx, AV_LOG_ERROR,
-                       "Number of bands (%d) exceeds limit (%d).\n",
+                       "Number of bands (%d) is invalid, limit (%d).\n",
                        sect_end, ics->max_sfb);
                 return -1;
             }

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