{"id":"CVE-2026-95620","title":"Use-after-free vulnerability in QNetworkAccessManager HTTP/2 support impacts Qt","summary":"A use-after-free vulnerability in the Qt QNetworkAccessManager HTTP/2 client support of the Qt Network module allows a malicious or compromised HTTP/2 server to cause the client application to crash, affecting availability.","severity":"low","cvss":2.1,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/RE:L/U:Green","cvssSource":"cna","cwe":["CWE-416"],"vendor":"qt","product":"qt","affected":["qt >= 6.9.0 < 6.11.3"],"published":"2026-10-23","updated":"2026-10-23","sourceUpdated":"2026-10-23T10:56:15.281Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-95620","references":[{"url":"https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-95620:"},{"url":"https://codereview.qt-project.org/c/qt/qtbase/+/759717"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T11:22:54.788Z","slug":"CVE-2026-95620","body":"## Overview\n\nA use-after-free vulnerability in the Qt QNetworkAccessManager HTTP/2 client support of the Qt Network module allows a malicious or compromised HTTP/2 server to cause the client application to crash, affecting availability.\n\n## Affected\n\n- `qt >= 6.9.0 < 6.11.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":12,"depthScoreParts":{"impact":11.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}