A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 20 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.
Title QBinaryJson::fromBinaryData() integer overflow leading to OOB read
First Time appeared Qt
Qt qt
Qt qt5compat
Qt qtbase
Weaknesses CWE-125
CWE-190
CPEs cpe:2.3:a:qt:qt5compat:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt
Qt qt5compat
Qt qtbase
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 4.3, 'vector': '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/R:U/RE:L/U:Amber'}

threat_severity

Moderate


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Qt

Published:

Updated: 2026-10-20T15:56:20.735Z

Reserved: 2026-09-28T09:34:42.241Z

Link: CVE-2026-101201

cve-icon Vulnrichment

Updated: 2026-10-20T15:56:16.621Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T09:17:08.397

Modified: 2026-10-20T19:59:00.607

Link: CVE-2026-101201

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-20T08:20:38Z

Links: CVE-2026-101201 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T16:30:06Z

Weaknesses