[ CVE-2026-105924 · Published 30 Oct 2026 ]

Vulnerability in Qt

CVSS 4.3 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official description

A NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.

[ 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-Bund29 Oct 2026WID-SEC-2026-4253

QT: Vulnerability allows denial of service Translated from German
Risk mediumCVE-2026-105924

[ References ]References

[ Facts ]Key facts

CVE: CVE-2026-105924
EUVD: EUVD-2026-113895
Published: 30 Oct 2026, 12:16 UTC
Updated: 30 Oct 2026, 17:44 UTC
NVD status: Awaiting Analysis
CVSS 4.0: 4.3 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/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:X/R:U/V:X/RE:L/U:Green
Scored by a59d8014-47c4-4630-ab43-e1b13cbe58e3
EPSS: 0.16% chance of exploitation in 30 days · higher than 6% of CVEs
CISA SSVC: Exploitation: none · Automatable: no · Impact: partial
Weakness: CWE-476

[ Affected ]Affected products

qt Qt5.12.0 – ≤ 6.8.9, 6.9.0 – ≤ 6.11.2, 6.12.0 – < 6.12.1

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

QT: Vulnerability allows denial of service Translated from German

[ References ]References