UNKNOWNCVE-2020-7064
Use-of-uninitialized-value in exif
Platform
php
Component
php
Fixed in
7.4.4
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
How to fix
Actualice a la versión de PHP 7.2.29, 7.3.16 o 7.4.4 o superior. Esto corregirá la vulnerabilidad de lectura de memoria no inicializada en la función exif_read_data().
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