CVE-2023-2618 - CVE House
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Status published Medium CVE-2023-2618

OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeHanziSegment memory leak

Vulnerability Description

A vulnerability, which was classified as problematic, has been found in OpenCV wechat_qrcode Module up to 4.7.0. Affected by this issue is the function DecodedBitStreamParser::decodeHanziSegment of the file qrcode/decoder/decoded_bit_stream_parser.cpp. The manipulation leads to memory leak. The attack may be launched remotely. The name of the patch is 2b62ff6181163eea029ed1cab11363b4996e9cd6. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-228548.

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:

  • Linkai Zheng
  • NanoApe (VulDB User)

References

More from OpenCV

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CVE-2023-2617
OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference
Medium 5.3

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: August 2nd, 2024
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)

CWE-401

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1486 Data Encrypted for Impact
Impact
T1562 Impair Defenses
Defense Evasion