{"id":"CVE-2026-13326","aliases":["AZL-101111","DEBIAN-CVE-2026-13326","EUVD-2026-75974","GHSA-83vf-f8f4-pj48","OESA-2026-3918","OESA-2026-3919","OESA-2026-4005"],"status":"published","title":"Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module","description":"An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00153,"percentile":0.04514,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125","CWE-191"],"published":"2026-09-11T06:11:01Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Debian:14","package":"qt6-connectivity","fixed_in":["6.11.2-2"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP1","package":"qt6-qtconnectivity","fixed_in":["6.5.2-4.oe2403sp1"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP3","package":"qt6-qtconnectivity","fixed_in":["6.5.2-4.oe2403sp3"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP4","package":"qt6-qtconnectivity","fixed_in":["6.5.2-4.oe2403sp4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"qt6-qtconnectivity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.5.7-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"qt6-connectivity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.10.2-1","6.10.2-2","6.10.2-3","6.11.2-1","6.11.2-2","6.4.2-1","6.4.2-2","6.4.2-3","6.4.2-4","6.4.2-5","6.6.0-1","6.6.0-2","6.6.0-3","6.6.1-1","6.6.1-2","6.6.2-1","6.6.2-2","6.7.2-1","6.7.2-2","6.7.2-3","6.7.2-4","6.7.2-5","6.7.2-6","6.7.2-7","6.7.2-8","6.8.2-1","6.8.2-2","6.8.2-3","6.9.1-1","6.9.1-2","6.9.2-1","6.9.2-2","6.9.2-3","6.9.2-4"]},{"source":"osv","ecosystem":"Debian:13","package":"qt6-connectivity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.10.2-1","6.10.2-2","6.10.2-3","6.11.2-1","6.11.2-2","6.8.2-3","6.9.1-1","6.9.1-2","6.9.2-1","6.9.2-2","6.9.2-3","6.9.2-4"]},{"source":"osv","ecosystem":"Debian:14","package":"qt6-connectivity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.2-2"}]}],"versions":["6.10.2-1","6.10.2-2","6.10.2-3","6.11.2-1","6.8.2-3","6.9.1-1","6.9.1-2","6.9.2-1","6.9.2-2","6.9.2-3","6.9.2-4"]},{"source":"osv","ecosystem":"Debian:12","package":"qtconnectivity-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.10-1","5.15.10-2","5.15.12-1","5.15.13-1","5.15.13-2","5.15.15-1","5.15.15-2","5.15.15-3","5.15.17-1","5.15.17-2","5.15.18-1","5.15.19-1","5.15.19-2","5.15.8-2","5.15.9-1"]},{"source":"osv","ecosystem":"Debian:13","package":"qtconnectivity-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.15-3","5.15.17-1","5.15.17-2","5.15.18-1","5.15.19-1","5.15.19-2"]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"qt6-qtconnectivity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.2-4.oe2403sp1"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP3","package":"qt6-qtconnectivity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.2-4.oe2403sp3"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP4","package":"qt6-qtconnectivity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.2-4.oe2403sp4"}]}]}],"products":[{"vendor":"qt","product":"qt"},{"vendor":"the qt company","product":"qt"}],"references":[{"url":"https://codereview.qt-project.org/c/qt/qtconnectivity/+/743136","tags":["patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13326","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-83vf-f8f4-pj48"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-13326","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3918","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3919","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4005","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-13326","title":"Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module","description":"An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.","status":"published","published":"2026-09-11T06:11:01.742Z","modified":"2026-09-11T12:08:24.776Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-125","CWE-191"],"updated_at":"2026-11-02T14:19:49.885652Z"}],"euvd":[{"id":"EUVD-2026-75974","description":"An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.","status":"published","published":"2026-09-11T06:11:01Z","modified":"2026-09-11T12:08:24Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:28:22.994693Z"}],"ghsa":[{"id":"GHSA-83vf-f8f4-pj48","title":"An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate...","description":"An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.","status":"published","published":"2026-09-11T09:31:22Z","modified":"2026-09-11T09:31:31Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:11:44.427999Z"}],"nvd":[{"id":"CVE-2026-13326","description":"An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.","status":"published","published":"2026-09-11T07:16:45.62Z","modified":"2026-09-18T19:21:34.307Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-125","CWE-191"],"updated_at":"2026-11-02T14:12:46.271848Z"}],"osv":[{"id":"DEBIAN-CVE-2026-13326","description":"An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.","status":"published","published":"2026-09-11T07:16:45.62Z","modified":"2026-10-17T17:00:10.649276492Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:51.374409Z"},{"id":"OESA-2026-3918","title":"qt6-qtconnectivity security update","description":".\r\n\r\nSecurity Fix(es):\n\nAn out-of-bounds read in Qt NFC\u0026apos;s language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.(CVE-2026-13326)","status":"published","published":"2026-09-20T13:23:13Z","modified":"2026-09-20T13:30:24.701583368Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-3919","title":"qt6-qtconnectivity security update","description":".\r\n\r\nSecurity Fix(es):\n\nAn out-of-bounds read in Qt NFC\u0026apos;s language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.(CVE-2026-13326)","status":"published","published":"2026-09-20T13:23:13Z","modified":"2026-09-20T13:30:24.604057665Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-4005","title":"qt6-qtconnectivity security update","description":".\r\n\r\nSecurity Fix(es):\n\nAn out-of-bounds read in Qt NFC\u0026apos;s language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.(CVE-2026-13326)","status":"published","published":"2026-09-25T01:27:08Z","modified":"2026-09-25T01:45:03.636117128Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"AZL-101111","title":"CVE-2026-13326 affecting package qt6-qtconnectivity 6.5.7-1","description":"An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.","status":"published","published":"2026-09-11T07:16:45Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:17.128158Z"}]}}