CVE-2026-95620

Use-after-free vulnerability in QNetworkAccessManager HTTP/2 support impacts Qt

Published Oct 23, 2026 CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Use-after-free vulnerability in QNetworkAccessManager HTTP/2 support impacts Qt
First Time appeared Qt
Qt qt
Weaknesses CWE-416
CPEs cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt
References
Metrics cvssV4_0

{'score': 2.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Qt
Published
Updated
Nov 2, 2026, 3:21 PM
Reserved
Sep 22, 2026, 10:27 AM
Status
Awaiting Analysis
Published
Oct 23, 2026, 12:18 PM
Modified
Nov 2, 2026, 4:17 PM