Vulnerability record · CVE-2023-2618 · published 10 May 2023

CVE-2023-2618: Opencv memory leak vulnerability

Opencv · Opencv

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.

7.5 CVSS 3.1 High EPSS 1.3% · top 30.6% CWE-401 · Memory leak

7.5CVSS 3.1 base score, v2 5.0

1.3%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Opencv Opencv

References

Link	Tags
https://github.com/opencv/opencv_contrib/pull/3484	Patch
https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6	Patch
https://vuldb.com/?ctiid.228548	Permissions Required
https://vuldb.com/?id.228548	Third Party Advisory
https://github.com/opencv/opencv_contrib/pull/3484	Patch
https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6	Patch
https://vuldb.com/?ctiid.228548	Permissions Required
https://vuldb.com/?id.228548	Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-2618), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.