CVE-2026-95620EUVD-2026-108708GHSA-QCFG-4M2W-6VM7
Use-after-free vulnerability in QNetworkAccessManager HTTP/2 support impacts Qt
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.11.3
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Qt Network module, specifically its QNetworkAccessManager HTTP/2 client support, is affected, which means applications built with Qt that make HTTP/2 connections can be impacted. A malicious or compromised HTTP/2 server could exploit this flaw to crash the client application, disrupting its availability.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- qt qt
From 6.9.0 · fixed in 6.11.3