2.1 Low

A malicious or compromised HTTP/2 server withholding SETTINGS ACK can send RSTSTREAM on a completed stream, planting a null pointer, and…

CVE-2026-96432

A malicious or compromised HTTP/2 server withholding SETTINGS ACK can send RSTSTREAM on a completed stream, planting a null pointer, and then send a PUSHPROMISE for that stream, causing a null pointer dereference in the QNetworkAccessManager class of the Qt Network module that crashes the application.

Assessment

CVSS: 2.1 (v4.0)
Severity: Low
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 26 October 2026
Last updated: 26 October 2026
Weakness: CWE-476
Assigner: a59d8014-47c4-4630-ab43-e1b13cbe58e3

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/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:N/R:U/V:X/RE:L/U:Green

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