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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, Oracle Fusion Middleware, Oracle Identity Management, Oracle OIT, Solaris, WebLogic, Ubuntu.
Severity of this announce: 2/4.
Creation date: 14/07/2020.
Références of this computer vulnerability: bulletinjul2020, cpuoct2020, CVE-2020-15389, DLA-2277-1, USN-4497-1, VIGILANCE-VUL-32797.

Description 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.
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This vulnerability note impacts software or systems such as Debian, Oracle Fusion Middleware, Oracle Identity Management, Oracle OIT, Solaris, WebLogic, Ubuntu.

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 

Debian 9: new openjpeg2 packages.
New packages are available:
  Debian 9: openjpeg2 2.1.2-1.1+deb9u5

Oracle Fusion Middleware: CPU of October 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2694898.1

Oracle Solaris: patch for third party software of July 2020 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

Ubuntu 16.04: new libopenjp packages.
New packages are available:
  Ubuntu 16.04 LTS: libopenjp 2.1.2-1.1+deb9u5build0.16.04.1
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