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

What is CVE-2023-2617?

CVE-2023-2617 is a medium-severity vulnerability in OpenCV wechat_qrcode Module, published on 10 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2023-2617?

It affects 1 product.

Products include Opencv Opencv.

How do I fix CVE-2023-2617?

Apply the vendor's patch.

Is CVE-2023-2617 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2617 exists.

Other vulnerabilities in OpenCV wechat_qrcode Module

• CVE-2019-5063 Out-of-bounds Write in OpenCV High 8.8
• CVE-2019-5064 Out-of-bounds Write in OpenCV High 8.8
• CVE-2019-14491 Out-of-bounds Read in OpenCV High 8.2
• CVE-2019-14492 Out-of-bounds Read and Out-of-bounds Write in OpenCV High 7.5
• CVE-2018-7712 Denial of service in n/a High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2023-2617, GHSA-3r96-chfr-mwjp, JLSEC-2026-567, UBUNTU-CVE-2023-2617.