{"id":"CVE-2023-2617","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-2617","generatedAt":"2026-10-24T00:06:04.963Z","title":"A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module up to 4.7.0.","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.","published":"2023-05-10T06:15:17.000Z","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-476"],"affected":["opencv/opencv"],"epss":{"score":0.01356,"percentile":0.71409,"date":"2026-10-22","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 (1.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270","tags":["Product"],"source":"cna@vuldb.com"},{"url":"https://github.com/opencv/opencv_contrib/pull/3480","tags":["Issue Tracking","Patch"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.228547","tags":["Permissions Required"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.228547","tags":["Permissions Required"],"source":"cna@vuldb.com"},{"url":"https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270","tags":["Product"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/opencv/opencv_contrib/pull/3480","tags":["Issue Tracking","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?ctiid.228547","tags":["Permissions Required"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?id.228547","tags":["Permissions Required"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/opencv/opencv_contrib/pull/3480","tags":["Issue Tracking","Patch"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-2617","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."}