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  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2005-12-15 13:13:45 UTC
  • mfrom: (0.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20051215131345-8n4osv1j7fy9c1s1
* SECURITY UPDATE: Fix arbitrary code execution with crafted PNG images in
  embedded ffmpeg copy.
* src/libffmpeg/libavcodec/utils.c, avcodec_default_get_buffer(): Apply
  upstream patch to fix buffer overflow on decoding of small PIX_FMT_PAL8
  PNG files.
* References:
  CVE-2005-4048
  http://mplayerhq.hu/pipermail/ffmpeg-devel/2005-November/005333.html
  http://www1.mplayerhq.hu/cgi-bin/cvsweb.cgi/ffmpeg/libavcodec/
  utils.c.diff?r1=1.161&r2=1.162&cvsroot=FFMpeg

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m4/aa.m4
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  }
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  return 1;
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}
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],, no_aalib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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],, no_aalib=yes,
 
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          AC_TRY_LINK([
 
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#include <stdio.h>
 
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#include <aalib.h>
 
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],          [ return ((AA_LIB_VERSION) || 
 
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#ifdef AA_LIB_MINNOR
 
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                    (AA_LIB_MINNOR)
 
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#else
 
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                    (AA_LIB_MINOR)
 
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#endif
 
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                    ); ],, no_aalib=yes))
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        CFLAGS="$ac_save_CFLAGS"
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        LIBS="$ac_save_LIBS"
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      fi
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    else
 
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    else dnl AALIB_CONFIG
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      AC_MSG_CHECKING([for AALIB version >= $min_aalib_version])
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      no_aalib=""
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      AALIB_CFLAGS=`$AALIB_CONFIG $aalib_config_args --cflags`
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  }
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  return 1;
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}
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],, no_aalib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 
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],, no_aalib=yes,
 
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        AC_TRY_LINK([
 
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#include <stdio.h>
 
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#include <aalib.h>
 
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],        [ return ((AA_LIB_VERSION) || 
 
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#ifdef AA_LIB_MINNOR
 
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                  (AA_LIB_MINNOR)
 
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#else
 
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                  (AA_LIB_MINOR)
 
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#endif
 
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                  ); ],, no_aalib=yes))
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      CFLAGS="$ac_save_CFLAGS"
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      LIBS="$ac_save_LIBS"
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    fi
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  fi dnl AALIB_CONFIG
 
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    fi dnl AALIB_CONFIG
 
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  fi dnl enable_aalibtest
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  if test "x$no_aalib" = x; then
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    AC_MSG_RESULT(yes)