Heap-Based Buffer Over-Read in jhead by Tjark R. M. L. Seidel

CVE-2020-6624

What is CVE-2020-6624?

A heap-based buffer over-read has been identified in jhead, a tool for processing JPEG images. This vulnerability resides in the function process_DQT within the jpgqguess.c file, which can lead to unintended memory access. When exploited, this flaw may allow an attacker to read sensitive data from memory, potentially exposing confidential information. Users of jhead version 3.04 should take immediate measures to update or mitigate this vulnerability to ensure the integrity of their image processing tasks.

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