CVE-2025-5992

Passing values outside of expected range to QColorTransferGenericFunction can cause a denial of service

State: Published
Severity: 2.3 Low
Published: Jul 11, 2025
Updated: Jul 29, 2026
Reserved: Jun 11, 2025

Description

When passing values outside of the expected range to QColorTransferGenericFunction it can cause a denial of service, for example, this can happen when passing a specifically crafted ICC profile to QColorSpace::fromICCProfile.

This issue affects Qt from 6.6.0 through 6.8.3, from 6.9.0 through 6.9.1. This is fixed in 6.8.4 and 6.9.2.

Scores

CVSS	Score	Vector	Source
4.0	2.3 Low	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L	TQtC

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
QtQt	6.0.0 to before 6.6.0Not affected 6.6.0 through 6.8.3Affected 6.8.4 through 6.8.3Not affected 6.9.0 through 6.9.1Affected 6.9.2 through 6.9.1Not affected

References

https://codereview.qt-project.org/c/qt/qtbase/+/647919

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