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NULL Pointer Dereference


Severity High
Score 7.5/10


A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module prior to versions Affected by this vulnerability is the function "DecodedBitStreamParser::decodeByteSegment" of the file "qrcode/decoder/decoded_bit_stream_parser.cpp". The manipulation leads to null pointer dereference. The attack can be launched remotely. The associated identifier of this vulnerability is VDB-228547.

  • LOW
  • NONE
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-476 - NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Advisory Timeline

  • Published