Description
A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.
Published: 2026-10-20
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

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


cve-icon MITRE

Status: PUBLISHED

Assigner: Qt

Published:

Updated: 2026-10-20T08:20:38.580Z

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

Link: CVE-2026-101201

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

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

No data.

Weaknesses