CVE-2026-107479 PUBLISHED

Integer truncation vulnerability in QTextCodec conversion functions impacts Qt Framework

Assigner: Qt
Reserved: 08.10.2026 Published: 04.11.2026 Updated: 04.11.2026

An integer truncation vulnerability in the QTextCodec conversion functions of the Qt 5 Core Compatibility APIs module impacts the Qt Framework. An application using the affected functionality could crash.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/RE:L/U:Green
CVSS Score: 1.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	qt
Product	Qt
Versions	Default: unaffected unknown from 0 to 5.0.0 (excl.) affected from 5.0.0 to 6.8.8 (incl.) affected from 6.9.0 to 6.11.2 (incl.)

CVE-2026-107479 PUBLISHED

Integer truncation vulnerability in QTextCodec conversion functions impacts Qt Framework

Metrics

Product Status

References

Problem Types

Impacts