{"api_version":"1","generated_at":"2026-04-22T22:50:49+00:00","cve":"CVE-2023-2618","urls":{"html":"https://cve.report/CVE-2023-2618","api":"https://cve.report/api/cve/CVE-2023-2618.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-2618","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-2618"},"summary":{"title":"CVE-2023-2618","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.","state":"PUBLIC","assigner":"cna@vuldb.com","published_at":"2023-05-10 06:15:00","updated_at":"2023-11-07 04:12:00"},"problem_types":["CWE-401"],"metrics":[],"references":[{"url":"https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6","name":"https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6","refsource":"MISC","tags":[],"title":"fix(wechat_qrcode): fixed memory leaks by Konano · Pull Request #3484 · opencv/opencv_contrib · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/opencv/opencv_contrib/pull/3484","name":"https://github.com/opencv/opencv_contrib/pull/3484","refsource":"MISC","tags":[],"title":"fix(wechat_qrcode): fixed memory leaks by Konano · Pull Request #3484 · opencv/opencv_contrib · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://vuldb.com/?id.228548","name":"https://vuldb.com/?id.228548","refsource":"MISC","tags":[],"title":"CVE-2023-2618: OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeHanziSegment memory leak (ID 3484)","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://vuldb.com/?ctiid.228548","name":"https://vuldb.com/?ctiid.228548","refsource":"MISC","tags":[],"title":"Login required","mime":"text/html","httpstatus":"401","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-2618","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2618","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"2618","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"opencv","cpe5":"opencv","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-2618","qid":"183969","title":"Debian Security Update for opencv (CVE-2023-2618)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-2618","ASSIGNER":"cna@vuldb.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"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."},{"lang":"deu","value":"Eine problematische Schwachstelle wurde in OpenCV wechat_qrcode Module bis 4.7.0 entdeckt. Betroffen davon ist die Funktion DecodedBitStreamParser::decodeHanziSegment der Datei qrcode/decoder/decoded_bit_stream_parser.cpp. Dank Manipulation mit unbekannten Daten kann eine memory leak-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Patch wird als 2b62ff6181163eea029ed1cab11363b4996e9cd6 bezeichnet. Als bestmögliche Massnahme wird Patching empfohlen."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-401 Memory Leak","cweId":"CWE-401"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"OpenCV","product":{"product_data":[{"product_name":"wechat_qrcode Module","version":{"version_data":[{"version_affected":"=","version_value":"4.0"},{"version_affected":"=","version_value":"4.1"},{"version_affected":"=","version_value":"4.2"},{"version_affected":"=","version_value":"4.3"},{"version_affected":"=","version_value":"4.4"},{"version_affected":"=","version_value":"4.5"},{"version_affected":"=","version_value":"4.6"},{"version_affected":"=","version_value":"4.7"}]}}]}}]}},"references":{"reference_data":[{"url":"https://vuldb.com/?id.228548","refsource":"MISC","name":"https://vuldb.com/?id.228548"},{"url":"https://vuldb.com/?ctiid.228548","refsource":"MISC","name":"https://vuldb.com/?ctiid.228548"},{"url":"https://github.com/opencv/opencv_contrib/pull/3484","refsource":"MISC","name":"https://github.com/opencv/opencv_contrib/pull/3484"},{"url":"https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6","refsource":"MISC","name":"https://github.com/opencv/opencv_contrib/pull/3484/commits/2b62ff6181163eea029ed1cab11363b4996e9cd6"}]},"credits":[{"lang":"en","value":"Linkai Zheng"},{"lang":"en","value":"NanoApe (VulDB User)"}],"impact":{"cvss":[{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseSeverity":"MEDIUM"},{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseSeverity":"MEDIUM"},{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P"}]}},"nvd":{"publishedDate":"2023-05-10 06:15:00","lastModifiedDate":"2023-11-07 04:12:00","problem_types":["CWE-401"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:*","versionEndExcluding":"4.7.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}