Vulnerability record · CVE-2023-2617 · published 10 May 2023

CVE-2023-2617: Opencv null pointer dereference vulnerability

Opencv · Opencv

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.

7.5 CVSS 3.1 High EPSS 1.4% · top 29.3% CWE-476 · NULL pointer dereference

7.5CVSS 3.1 base score, v2 5.0

1.4%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

9References

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://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270	Product
https://github.com/opencv/opencv_contrib/pull/3480	Issue TrackingPatch
https://vuldb.com/?ctiid.228547	Permissions Required
https://vuldb.com/?id.228547	Permissions Required
https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270	Product
https://github.com/opencv/opencv_contrib/pull/3480	Issue TrackingPatch
https://vuldb.com/?ctiid.228547	Permissions Required
https://vuldb.com/?id.228547	Permissions Required
https://github.com/opencv/opencv_contrib/pull/3480	Issue TrackingPatch

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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-2023-2617), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.