When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that all image channels have the same pixel type (and size), and that if there are four channels, the first four are "B", "G", "R" and "A". The channel parsing code can be found in decodeheader. The buffer td->uncompresseddata is allocated in decodeblock based on the xsize, ysize and computed currentchanneloffset. The function dwauncompress then assumes at [5] that if there are 4 channels, these are "B", "G", "R" and "A", and in the calculations at [6] and [7] that all channels are of the same type, which matches the type of the main color channels. If we set the main color channels to a 4-byte type and add duplicate or unknown channels of the 2-byte EXRHALF type, then the addition at [7] will increment the pointer by 4-bytes * xsize * nbchannels, which will exceed the allocated buffer. We recommend upgrading to version 8.0 or beyond.
{
"binaries": [
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "ffmpeg"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavcodec-dev"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavcodec-extra"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavcodec-extra61"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavcodec61"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavdevice-dev"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavdevice61"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavfilter-dev"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavfilter-extra"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavfilter-extra10"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavfilter10"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavformat-dev"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavformat-extra"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavformat-extra61"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavformat61"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavutil-dev"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libavutil59"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libpostproc-dev"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libpostproc58"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libswresample-dev"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libswresample5"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libswscale-dev"
},
{
"binary_version": "7:7.1.1-1ubuntu4.2",
"binary_name": "libswscale8"
}
],
"availability": "No subscription required"
}{
"binaries": [
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libav-tools"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavcodec-dev"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavcodec-extra"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavcodec-extra-54"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavcodec54"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavdevice-dev"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavdevice-extra-53"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavdevice53"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavfilter-dev"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavfilter-extra-3"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavfilter3"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavformat-dev"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavformat-extra-54"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavformat54"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavresample-dev"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavresample1"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavutil-dev"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavutil-extra-52"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libavutil52"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libswscale-dev"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libswscale-extra-2"
},
{
"binary_version": "6:9.20-0ubuntu0.14.04.1+esm1",
"binary_name": "libswscale2"
}
]
}{
"binaries": [
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "ffmpeg"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavcodec-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavcodec-extra"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavcodec-extra57"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavcodec57"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavdevice-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavdevice57"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavfilter-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavfilter-extra"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavfilter-extra6"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavfilter6"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavformat-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavformat57"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavresample-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavresample3"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavutil-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libavutil55"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libpostproc-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libpostproc54"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libswresample-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libswresample2"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libswscale-dev"
},
{
"binary_version": "7:3.4.11-0ubuntu0.1+esm12",
"binary_name": "libswscale4"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}{
"binaries": [
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "ffmpeg"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavcodec-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavcodec-extra"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavcodec-extra58"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavcodec58"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavdevice-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavdevice58"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavfilter-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavfilter-extra"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavfilter-extra7"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavfilter7"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavformat-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavformat58"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavresample-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavresample4"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavutil-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libavutil56"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libpostproc-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libpostproc55"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libswresample-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libswresample3"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libswscale-dev"
},
{
"binary_version": "7:4.2.7-0ubuntu0.1+esm12",
"binary_name": "libswscale5"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}{
"binaries": [
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "ffmpeg"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavcodec-dev"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavcodec-extra"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavcodec-extra58"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavcodec58"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavdevice-dev"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavdevice58"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavfilter-dev"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavfilter-extra"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavfilter-extra7"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavfilter7"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavformat-dev"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavformat-extra"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavformat-extra58"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavformat58"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavutil-dev"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libavutil56"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libpostproc-dev"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libpostproc55"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libswresample-dev"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libswresample3"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libswscale-dev"
},
{
"binary_version": "7:4.4.2-0ubuntu0.22.04.1+esm11",
"binary_name": "libswscale5"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}{
"binaries": [
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "ffmpeg"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavcodec-dev"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavcodec-extra"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavcodec-extra60"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavcodec60"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavdevice-dev"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavdevice60"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavfilter-dev"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavfilter-extra"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavfilter-extra9"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavfilter9"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavformat-dev"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavformat-extra"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavformat-extra60"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavformat60"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavutil-dev"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libavutil58"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libpostproc-dev"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libpostproc57"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libswresample-dev"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libswresample4"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libswscale-dev"
},
{
"binary_version": "7:6.1.1-3ubuntu5+esm7",
"binary_name": "libswscale7"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}