Vulnerability · Published Jul 11, 2025 · Assigned by TQtC

CVE-2025-5992Passing values outside of expected range to QColorTransferGenericFunction can cause a denial of service

Low 2.3

In plain English

A low-severity improper input validation in Qt from Qt. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)2.3Low
Exploit odds (30 days)0.3%top 75.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12qt6-baseno fix listedDEBIAN-CVE-2025-5992
Debian:13qt6-base6.8.2+dfsg-9DEBIAN-CVE-2025-5992
Debian:14qt6-base6.8.2+dfsg-9DEBIAN-CVE-2025-5992
Ubuntu:22.04:LTSqt6-baseno fix listedUBUNTU-CVE-2025-5992
Ubuntu:24.04:LTSqt6-baseno fix listedUBUNTU-CVE-2025-5992
Ubuntu:25.10qt6-baseno fix listedUBUNTU-CVE-2025-5992
Ubuntu:26.04:LTSqt6-baseno fix listedUBUNTU-CVE-2025-5992
Ubuntu:26.10qt6-baseno fix listedUBUNTU-CVE-2025-5992

Affected products (as reported)

VendorProductVersions
Qt Qt 6.6.0 – through 6.8.36.9.0 – through 6.9.1

Weakness: CWE-20 · Vector: 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

References