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QT TIFF Processing Out-Of-Bounds Read

QT TIFF Processing Out-Of-Bounds Read
Posted May 25, 2021
Authored by Google Security Research, natashenka

The QImageReader class can read out-of-bounds when converting a specially-crafted TIFF file into a QImage, where the TIFF tile length is inconsistent with the tile size. This could potentially allow an attacker to determine values in memory based of the QImage pixels, if QT is used to process untrusted images.

tags | exploit
SHA-256 | 766b77fab4c5903f5bd4ca7cb9d967ba5f26ec50db568fd2f7147cf8314ad4bc
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