CVE-2026-101201Medium· 5.5▾ SunlitA flaw was found in Qt. An out-of-bounds read vulnerability can occur when parsing a binary file with a malformed header in the QBinaryJson::fromBinaryData() function. An attacker could exploit this flaw by convincing a user or application…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the vendor's CSAF advisory record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.1%
4.3 → 5.5
5.5 → 4.3
Last analysed / modified upstream
4.3 → 5.5
0.1% → 0.2%
A flaw was found in Qt. An out-of-bounds read vulnerability can occur when parsing a binary file with a malformed header in the QBinaryJson::fromBinaryData() function. An attacker could exploit this flaw by convincing a user or application to process a specially crafted binary file, causing the application to crash and resulting in a Denial of Service (DoS).
qt5-qtbase: qt6-qt5compat: qt: Denial of Service via out-of-bounds read in QBinaryJson — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-23.
Affected:
No fix planned:
Not affected:
Fix deferred
Workarounds / mitigations:
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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