CVE-2026-107472

Out-of-bounds read vulnerability in QTextCodec TSCII encoding impacts Qt

Published Oct 27, 2026 CVSS 4.0 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
An out-of-bounds read vulnerability in the QTextCodec TSCII encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Applications that convert text to the TSCII encoding through QTextCodec may read memory outside the input buffer, which can cause the application to crash or misinterpret the data.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description An out-of-bounds read vulnerability in the QTextCodec TSCII encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Applications that convert text to the TSCII encoding through QTextCodec may read memory outside the input buffer, which can cause the application to crash or misinterpret the data.
Title Out-of-bounds read vulnerability in QTextCodec TSCII encoding impacts Qt
First Time appeared Qt
Qt qt
Qt qt5compat
Qt qtbase
Weaknesses CWE-125
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 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:Green'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Qt
Published
Updated
Nov 4, 2026, 2:59 PM
Reserved
Oct 8, 2026, 7:42 AM
Status
Awaiting Analysis
Published
Oct 27, 2026, 8:16 AM
Modified
Nov 4, 2026, 3:17 PM