{"id":"CVE-2023-33285","details":"An issue was discovered in Qt 5.x before 5.15.14, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. QDnsLookup has a buffer over-read via a crafted reply from a DNS server.","modified":"2026-08-18T16:27:07.727438Z","published":"2023-05-22T00:00:00Z","related":["ALSA-2023:6369","ALSA-2023:6967","SUSE-SU-2023:2971-1","SUSE-SU-2023:2982-1","SUSE-SU-2023:3018-1","SUSE-SU-2023:3207-1","SUSE-SU-2023:3225-1","SUSE-SU-2023:3380-1","openSUSE-SU-2024:13006-1","openSUSE-SU-2024:13380-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33285.json","unresolved_ranges":[{"extracted_events":[{"introduced":"5.x"},{"fixed":"5.15.14"},{"introduced":"6.x"},{"fixed":"6.2.9"},{"introduced":"6.3.x"},{"fixed":"6.5.x"},{"fixed":"6.5.1"}],"source":"DESCRIPTION"}],"cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://codereview.qt-project.org/c/qt/qtbase/+/477644"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33285.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33285"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00027.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qt/qt5","events":[{"introduced":"0"},{"fixed":"45624b631fffebe4d2cd1a28978c37304bea8d3c"},{"introduced":"78410d7e8b7aafdcbb4feea3a943038c7e0a0b5f"},{"fixed":"322d47d25de3cbafd8d6cd2a62e4ed6efc736a4b"},{"introduced":"1734139bf4629af593e79d247a18f8e511bf7c5e"},{"fixed":"19b7e91751697cb2514ac7dcdbf166655f0de698"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"5.0.0"},{"fixed":"5.15.4"},{"introduced":"6.0.0"},{"fixed":"6.2.9"},{"introduced":"6.3.0"},{"fixed":"6.5.1"}]}}],"versions":["v6.2.8-lts-lgpl","v6.2.7-lts-lgpl","v6.2.6-lts-lgpl","v6.2.5-lts-lgpl","v6.5.0-beta3","v6.5.0-beta2","v6.5.0-beta1","v5.15.3-lts-lgpl","v6.2.0-beta4","v6.2.0-beta3","v6.2.0-beta2","v6.2.0-beta1","v6.2.0-alpha1","v6.0.0-beta5","v6.0.0-beta4","v6.0.0-beta3","v6.0.0-beta2","v6.0.0-beta1","v6.0.0-alpha1","v5.15.0-beta4","v5.15.0-beta3","v5.15.0-beta2","v5.15.0-beta1","v5.15.0-alpha1","v5.0.0-beta1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-33285.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/qt/qtbase","events":[{"introduced":"3bf50a7db9a1add66fb66b7a1f9c1d3b038c5e7f"},{"fixed":"ffdd372c7bbda62e9d937f406319f38e3e982774"},{"introduced":"fc9cda5f08ac848e88f63dd4a07c08b2fbc6bf17"},{"fixed":"f131837a9fcc83dcfb70a0a91b1baacb6ccf14a2"},{"introduced":"9554d315aa74eaba1726405ee09117e2ebc6111f"},{"fixed":"55aee8697512af105dfefabc1e2ec41d4df1e45e"}],"database_specific":{"cpe":"cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"5.0.0"},{"fixed":"5.15.4"},{"introduced":"6.0.0"},{"fixed":"6.2.9"},{"introduced":"6.3.0"},{"fixed":"6.5.1"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-33285.json","vanir_signatures_modified":"2026-08-18T16:27:07Z","vanir_signatures":[{"target":{"file":"src/network/kernel/qdnslookup_unix.cpp"},"deprecated":false,"digest":{"line_hashes":["92376634840184399825365318154288351993","232461204609313989120257745717201240216","320708743009817993507337202164167887441","21308290995217884491005044431632010900","298034914405986548572445818450155724325","171355919169060797509597056785544202524","1069687939198931456973687425830032072","3540876834910303010839964264776335282","119893641728366708810635981190240492131","135558535485227323371703831987671565962","218424658944840923178893068857589239342","180130516929332699035191217939835434911","171902681780682419451758795992574159417","194908686061445372061155934280632091709","25828914292029408919762996279289826136","271381063204330631592675759559091485281","188826755362610565145874472998653610620","61181470149620454368846073938918120330","144456116250144122357606448252883560018","210431344564871427713284927923317729215","33720891528493242799779644168988618648","131451878779952217380213242484707842149","163457716009692412014758585930328269677","48972863578760833987644564696874645146"],"threshold":0.9},"id":"CVE-2023-33285-95a33edc","signature_type":"Line","signature_version":"v1","source":"https://github.com/qt/qtbase/commit/55aee8697512af105dfefabc1e2ec41d4df1e45e"},{"source":"https://github.com/qt/qtbase/commit/55aee8697512af105dfefabc1e2ec41d4df1e45e","target":{"file":"src/network/kernel/qdnslookup_unix.cpp","function":"QDnsLookupRunnable::query"},"deprecated":false,"digest":{"function_hash":"328679296815467547461728943587483981886","length":7904},"id":"CVE-2023-33285-b3d99a5e","signature_type":"Function","signature_version":"v1"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N"}]}