An issue was discovered in Bento4 v1.6.0-639. There is a heap-buffer-overflow in AP4_Dec3Atom::AP4_Dec3Atom at Ap4Dec3Atom.cpp, leading to a Denial of Service (DoS), as demonstrated by mp42aac.
cpe:2.3:a:axiosys:bento4:1.6.0-639:*:*:*:*:*:*:*
A003FBD1-339C-409D-A304-7FEE97E23250
OR
Hi, developers of Bento4:
Thanks for your fix of issue #751 
In the test of the binary mp42aac instrumented with ASAN. There are some inputs causing heap-buffer-overflow. Here is the ASAN mode output:

==27304==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60300000ed28 at pc 0x0000005a64d9 bp 0x7fffffffb290 sp 0x7fffffffb280
READ of size 1 at 0x60300000ed28 thread T0
    #0 0x5a64d8 in AP4_Dec3Atom::AP4_Dec3Atom(unsigned int, unsigned char const*) /root/Bento4/Source/C++/Core/Ap4Dec3Atom.cpp:161
    #1 0x5a6a62 in AP4_Dec3Atom::Create(unsigned int, AP4_ByteStream&) /root/Bento4/Source/C++/Core/Ap4Dec3Atom.cpp:56
    #2 0x508887 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:769
    #3 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #4 0x579928 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #5 0x480e69 in AP4_SampleEntry::Read(AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4SampleEntry.cpp:115
    #6 0x480e69 in AP4_AudioSampleEntry::AP4_AudioSampleEntry(unsigned int, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4SampleEntry.cpp:420
    #7 0x480e69 in AP4_Eac3SampleEntry::AP4_Eac3SampleEntry(unsigned int, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4SampleEntry.cpp:752
    #8 0x508d6b in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:338
    #9 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #10 0x490228 in AP4_StsdAtom::AP4_StsdAtom(unsigned int, unsigned char, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4StsdAtom.cpp:101
    #11 0x491bd0 in AP4_StsdAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4StsdAtom.cpp:57
    #12 0x50aaae in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:458
    #13 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #14 0x577862 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #15 0x577862 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:139
    #16 0x5785a6 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:88
    #17 0x507f53 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:816
    #18 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #19 0x5aea82 in AP4_DrefAtom::AP4_DrefAtom(unsigned int, unsigned char, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4DrefAtom.cpp:84
    #20 0x5aeff7 in AP4_DrefAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4DrefAtom.cpp:50
    #21 0x509882 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:580
    #22 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #23 0x577862 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #24 0x577862 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:139
    #25 0x5785a6 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:88
    #26 0x507f53 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:816
    #27 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #28 0x577862 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #29 0x577862 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:139
    #30 0x5785a6 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:88
    #31 0x507f53 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:816
    #32 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #33 0x577862 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #34 0x577862 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:139
    #35 0x5785a6 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:88
    #36 0x507f53 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:816
    #37 0x50dd7a in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #38 0x50dd7a in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:154
    #39 0x418daf in AP4_File::ParseStream(AP4_ByteStream&, AP4_AtomFactory&, bool) /root/Bento4/Source/C++/Core/Ap4File.cpp:104
    #40 0x418daf in AP4_File::AP4_File(AP4_ByteStream&, bool) /root/Bento4/Source/C++/Core/Ap4File.cpp:78
    #41 0x4040d7 in main /root/Bento4/Source/C++/Apps/Mp42Aac/Mp42Aac.cpp:250
    #42 0x7ffff61bb83f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2083f)
    #43 0x408508 in _start (/root/Bento4/mp42aac+0x408508)

0x60300000ed28 is located 0 bytes to the right of 24-byte region [0x60300000ed10,0x60300000ed28)
allocated by thread T0 here:
    #0 0x7ffff6f03712 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x99712)
    #1 0x4147b5 in AP4_DataBuffer::AP4_DataBuffer(unsigned int) /root/Bento4/Source/C++/Core/Ap4DataBuffer.cpp:55
    #2 0x17  (<unknown module>)

SUMMARY: AddressSanitizer: heap-buffer-overflow /root/Bento4/Source/C++/Core/Ap4Dec3Atom.cpp:161 AP4_Dec3Atom::AP4_Dec3Atom(unsigned int, unsigned char const*)
Shadow bytes around the buggy address:
  0x0c067fff9d50: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff9d60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff9d70: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff9d80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff9d90: fa fa fa fa fa fa fa fa fa fa fa fa 00 00 00 fa
=>0x0c067fff9da0: fa fa 00 00 00[fa]fa fa 00 00 00 fa fa fa 00 00
  0x0c067fff9db0: 00 fa fa fa 00 00 00 fa fa fa 00 00 00 fa fa fa
  0x0c067fff9dc0: 00 00 00 fa fa fa 00 00 00 fa fa fa 00 00 00 fa
  0x0c067fff9dd0: fa fa 00 00 00 fa fa fa 00 00 00 fa fa fa 00 00
  0x0c067fff9de0: 00 fa fa fa 00 00 00 fa fa fa 00 00 00 fa fa fa
  0x0c067fff9df0: 00 00 00 fa fa fa 00 00 00 fa fa fa 00 00 00 fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
==27304==ABORTING

### Crash input
https://github.com/17ssDP/fuzzer_crashes/blob/main/Bento4/mp42aac-hbo-00

### Validation steps
git clone https://github.com/axiomatic-systems/Bento4
cd Bento4/
mkdir check_build && cd check_build
cmake ../ -DCMAKE_C_COMPILER=clang  -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_FLAGS="-fsanitize=address" -DCMAKE_CXX_FLAGS="-fsanitize=address" -DCMAKE_BUILD_TYPE=Release
make -j 
./mp42aac mp42aac-hbo-00 /dev/null

### Environment
Ubuntu 16.04
Clang 10.0.1
gcc 5.5
Heap-buffer-overflow with ASAN in mp42aac
This is a GitHub Issue
repo:Bento4
owner:axiomatic-systems
Title : Heap-buffer-overflow with ASAN in mp42aac
Issue date:

--- start body ---
Hi, developers of Bento4:
Thanks for your fix of issue #751 
In the test of the binary mp42aac instrumented with ASAN. There are some inputs causing heap-buffer-overflow. Here is the ASAN mode output:

==27304==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60300000ed28 at pc 0x0000005a64d9 bp 0x7fffffffb290 sp 0x7fffffffb280
READ of size 1 at 0x60300000ed28 thread T0
    #0 0x5a64d8 in AP4_Dec3Atom::AP4_Dec3Atom(unsigned int, unsigned char const*) /root/Bento4/Source/C++/Core/Ap4Dec3Atom.cpp:161
    #1 0x5a6a62 in AP4_Dec3Atom::Create(unsigned int, AP4_ByteStream&) /root/Bento4/Source/C++/Core/Ap4Dec3Atom.cpp:56
    #2 0x508887 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:769
    #3 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #4 0x579928 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #5 0x480e69 in AP4_SampleEntry::Read(AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4SampleEntry.cpp:115
    #6 0x480e69 in AP4_AudioSampleEntry::AP4_AudioSampleEntry(unsigned int, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4SampleEntry.cpp:420
    #7 0x480e69 in AP4_Eac3SampleEntry::AP4_Eac3SampleEntry(unsigned int, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4SampleEntry.cpp:752
    #8 0x508d6b in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:338
    #9 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #10 0x490228 in AP4_StsdAtom::AP4_StsdAtom(unsigned int, unsigned char, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4StsdAtom.cpp:101
    #11 0x491bd0 in AP4_StsdAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4StsdAtom.cpp:57
    #12 0x50aaae in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:458
    #13 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #14 0x577862 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #15 0x577862 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:139
    #16 0x5785a6 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:88
    #17 0x507f53 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:816
    #18 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #19 0x5aea82 in AP4_DrefAtom::AP4_DrefAtom(unsigned int, unsigned char, unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4DrefAtom.cpp:84
    #20 0x5aeff7 in AP4_DrefAtom::Create(unsigned int, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4DrefAtom.cpp:50
    #21 0x509882 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:580
    #22 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #23 0x577862 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #24 0x577862 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:139
    #25 0x5785a6 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:88
    #26 0x507f53 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:816
    #27 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #28 0x577862 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #29 0x577862 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:139
    #30 0x5785a6 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:88
    #31 0x507f53 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:816
    #32 0x50ecb6 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #33 0x577862 in AP4_ContainerAtom::ReadChildren(AP4_AtomFactory&, AP4_ByteStream&, unsigned long long) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:194
    #34 0x577862 in AP4_ContainerAtom::AP4_ContainerAtom(unsigned int, unsigned long long, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:139
    #35 0x5785a6 in AP4_ContainerAtom::Create(unsigned int, unsigned long long, bool, bool, AP4_ByteStream&, AP4_AtomFactory&) /root/Bento4/Source/C++/Core/Ap4ContainerAtom.cpp:88
    #36 0x507f53 in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned int, unsigned int, unsigned long long, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:816
    #37 0x50dd7a in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, unsigned long long&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:234
    #38 0x50dd7a in AP4_AtomFactory::CreateAtomFromStream(AP4_ByteStream&, AP4_Atom*&) /root/Bento4/Source/C++/Core/Ap4AtomFactory.cpp:154
    #39 0x418daf in AP4_File::ParseStream(AP4_ByteStream&, AP4_AtomFactory&, bool) /root/Bento4/Source/C++/Core/Ap4File.cpp:104
    #40 0x418daf in AP4_File::AP4_File(AP4_ByteStream&, bool) /root/Bento4/Source/C++/Core/Ap4File.cpp:78
    #41 0x4040d7 in main /root/Bento4/Source/C++/Apps/Mp42Aac/Mp42Aac.cpp:250
    #42 0x7ffff61bb83f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2083f)
    #43 0x408508 in _start (/root/Bento4/mp42aac+0x408508)

0x60300000ed28 is located 0 bytes to the right of 24-byte region [0x60300000ed10,0x60300000ed28)
allocated by thread T0 here:
    #0 0x7ffff6f03712 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x99712)
    #1 0x4147b5 in AP4_DataBuffer::AP4_DataBuffer(unsigned int) /root/Bento4/Source/C++/Core/Ap4DataBuffer.cpp:55
    #2 0x17  (<unknown module>)

SUMMARY: AddressSanitizer: heap-buffer-overflow /root/Bento4/Source/C++/Core/Ap4Dec3Atom.cpp:161 AP4_Dec3Atom::AP4_Dec3Atom(unsigned int, unsigned char const*)
Shadow bytes around the buggy address:
  0x0c067fff9d50: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff9d60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff9d70: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff9d80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff9d90: fa fa fa fa fa fa fa fa fa fa fa fa 00 00 00 fa
=>0x0c067fff9da0: fa fa 00 00 00[fa]fa fa 00 00 00 fa fa fa 00 00
  0x0c067fff9db0: 00 fa fa fa 00 00 00 fa fa fa 00 00 00 fa fa fa
  0x0c067fff9dc0: 00 00 00 fa fa fa 00 00 00 fa fa fa 00 00 00 fa
  0x0c067fff9dd0: fa fa 00 00 00 fa fa fa 00 00 00 fa fa fa 00 00
  0x0c067fff9de0: 00 fa fa fa 00 00 00 fa fa fa 00 00 00 fa fa fa
  0x0c067fff9df0: 00 00 00 fa fa fa 00 00 00 fa fa fa 00 00 00 fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
==27304==ABORTING

### Crash input
https://github.com/17ssDP/fuzzer_crashes/blob/main/Bento4/mp42aac-hbo-00

### Validation steps
git clone https://github.com/axiomatic-systems/Bento4
cd Bento4/
mkdir check_build && cd check_build
cmake ../ -DCMAKE_C_COMPILER=clang  -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_FLAGS="-fsanitize=address" -DCMAKE_CXX_FLAGS="-fsanitize=address" -DCMAKE_BUILD_TYPE=Release
make -j 
./mp42aac mp42aac-hbo-00 /dev/null

### Environment
Ubuntu 16.04
Clang 10.0.1
gcc 5.5
--- end body ---

comments :
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