{"cve":"CVE-2023-2618","nvd":{"published":"2023-05-10T06:15:17.577","modified":"2026-06-17T05:53:01.440","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-401"],"references":["https://github.com/opencv/opencv_contrib/pull/3484","https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6","https://vuldb.com/?ctiid.228548","https://vuldb.com/?id.228548","https://github.com/opencv/opencv_contrib/pull/3484"],"products":["opencv:opencv"],"source":"nvd","synced_at":"2026-10-19T21:38:18.424950729+00:00"},"epss":{"cve":"CVE-2023-2618","score":0.01303,"percentile":0.70498,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}