CVE-2025-5992: Improper Input Validation

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....

OSV-2020-143 Heap-buffer-overflow in QSpecialInteger<QBigEndianStorageType<unsigned int> >::operator unsigned int

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21909 Crash type: Heap-buffer-overflow READ 4 Crash state: QSpecialInteger ::operator unsigned int QIcc::fromIccProfile QColorSpace::fromIccProfile...