CVE-2023-2617

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.

• CWE-476
• CWE-476

• https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270Product
• https://github.com/opencv/opencv_contrib/pull/3480Issue Tracking, Patch
• https://vuldb.com/?ctiid.228547Permissions Required
• https://vuldb.com/?id.228547Permissions Required
• https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270Product
• https://github.com/opencv/opencv_contrib/pull/3480Issue Tracking, Patch
• https://vuldb.com/?ctiid.228547Permissions Required
• https://vuldb.com/?id.228547Permissions Required
• https://github.com/opencv/opencv_contrib/pull/3480Issue Tracking, Patch

Published

May 10, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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