CVE-2023-2617 - CVE House
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Status published Medium CVE-2023-2617

OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference

Vulnerability Description

A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module up to 4.7.0. 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 exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-228547.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Haoyu Chen
  • Linkai Zheng
  • Liangyu Zhang
  • NanoApe (VulDB User)

Affected Vendor

Affected Software

wechat_qrcode Module
Vulnerable Versions:
4.0, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7

Timeline

Official Publish: May 10th, 2023
Last Modified: January 27th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)