{"id":"CVE-2023-2618","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-2618","generatedAt":"2026-10-24T07:15:14.482Z","title":"A vulnerability, which was classified as problematic, has been found in OpenCV wechat_qrcode Module up to 4.7.0.","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.","published":"2023-05-10T06:15:18.000Z","lastModified":"2026-06-17T05:53:01.000Z","status":"Modified","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-401"],"affected":["opencv/opencv"],"epss":{"score":0.01303,"percentile":0.70282,"date":"2026-10-23","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/opencv/opencv_contrib/pull/3484","tags":["Patch"],"source":"cna@vuldb.com"},{"url":"https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6","tags":["Patch"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.228548","tags":["Permissions Required"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.228548","tags":["Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://github.com/opencv/opencv_contrib/pull/3484","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?ctiid.228548","tags":["Permissions Required"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?id.228548","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-2618","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}