Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2026-101201

QBinaryJson::fromBinaryData() integer overflow leading to OOB read

Medium4.3EPSS 0.16%
Published
Updated
Reserved
Assigned by
Qt

Description

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

Scores

CVSS scores of CVE-2026-101201, by who scored it
Scored byCVSSScoreVector
QtCNA (assigner)4.0Medium4.3CVSS: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
NVDNVD · Awaiting Analysis4.0Medium4.3CVSS: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:Amber
EPSS (exploitation in 30 days)
0.16% · top 94% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • qt · qt

    • affected 5.0.0 – ≤ 6.8.8
    • affected 6.9.0 – ≤ 6.11.2

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-101201 badge
[![CVE-2026-101201](https://trackcve.app/badge/CVE-2026-101201.svg)](https://trackcve.app/cve/CVE-2026-101201)

Record last updated .