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Vulnerability of OpenJPEG: use after free via opj_image_destroy

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via opj_image_destroy() of OpenJPEG, in order to trigger a denial of service, and possibly to run code.
Vulnerable software: Debian.
Severity of this announce: 2/4.
Creation date: 14/07/2020.
Références of this computer vulnerability: CVE-2020-15389, DLA-2277-1, VIGILANCE-VUL-32797.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via opj_image_destroy() o...
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This vulnerability note impacts software or systems such as Debian.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer threat note.

Solutions for this threat 

Solutions for this vulnerability are not yet public.
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