{"id":"CVE-2023-2617","summary":"OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference","details":"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.","modified":"2026-08-12T03:30:36.941514373Z","published":"2023-05-10T05:31:03.420Z","database_specific":{"cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2617.json","cna_assigner":"VulDB"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2617.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2617"},{"type":"ADVISORY","url":"https://vuldb.com/?id.228547"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.228547"},{"type":"FIX","url":"https://github.com/opencv/opencv_contrib/pull/3480"},{"type":"EVIDENCE","url":"https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/opencv/opencv","events":[{"introduced":"898c639f6ab195b81a1d3e9b2470a3f03123dd03"},{"last_affected":"725e440d278aca07d35a5e8963ef990572b07316"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.5.2"},{"last_affected":"4.7.0"}]}},{"type":"GIT","repo":"https://github.com/opencv/opencv_contrib","events":[{"introduced":"d511587cf0bc782022db215d20d960afb2e9efe2"},{"last_affected":"e247b680a6bd396f110274b6c214406a93171350"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.0"},{"last_affected":"4.0"},{"introduced":"4.1"},{"last_affected":"4.1"},{"introduced":"4.2"},{"last_affected":"4.2"},{"introduced":"4.3"},{"last_affected":"4.3"},{"introduced":"4.4"},{"last_affected":"4.4"},{"introduced":"4.5"},{"last_affected":"4.5"},{"introduced":"4.6"},{"last_affected":"4.6"},{"introduced":"4.7"},{"last_affected":"4.7"},{"introduced":"4.5.2"},{"last_affected":"4.7.0"}]}}],"versions":["4.0","4.1","4.2","4.3","4.4","4.5","4.6","4.7","4.7.0","4.6.0","4.5.5","4.5.4","4.5.3","4.5.2","4.5.0","4.5.1","4.4.0","4.3.0","4.2.0","4.1.2","4.1.1","4.1.0","4.0.1","4.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-2617.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}