[ CVE-2026-95620 · Published 23 Oct 2026 ]

Vulnerability in qt

CVSS 2.1 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official description

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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

BSI CERT-Bund22 Oct 2026WID-SEC-2026-4137

QT: Vulnerability allows denial of service Translated from German
Risk mediumCVE-2026-95620

[ References ]References

codereview.qt-project.org/c/qt/qtbase/+/759717
wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

QT: Vulnerability allows denial of service Translated from German

[ References ]References