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Synthesis of the vulnerability 
An attacker can trigger a buffer overflow via opj_t1_clbl_decode_processor() of OpenJPEG, in order to trigger a denial of service, and possibly to run code.
 Vulnerable products: Debian, Fedora, Oracle DB, Oracle Fusion Middleware, Oracle OIT, Solaris, WebLogic, RHEL, Ubuntu.
Severity of this weakness: 3/4.
Creation date: 31/01/2020.
Références of this bulletin: bulletinapr2020, cpujul2020, CVE-2020-8112, DLA-2089-1, DLA-2277-1, DSA-4882-1, FEDORA-2020-8193c0aa68, FEDORA-2020-ad63f760f4, RHSA-2020:0550-01, RHSA-2020:0569-01, RHSA-2020:0570-01, USN-4497-1, USN-4686-1, VIGILANCE-VUL-31470.
Description of the vulnerability 
An attacker can trigger a buffer overflow via opj_t1_clbl_decode_processor() of OpenJPEG, in order to trigger a denial of service, and possibly to run code.
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This threat announce impacts software or systems such as Debian, Fedora, Oracle DB, Oracle Fusion Middleware, Oracle OIT, Solaris, WebLogic, RHEL, Ubuntu.
Our Vigil@nce team determined that the severity of this cybersecurity alert is important.
The trust level is of type confirmed by the editor, with an origin of document.
An attacker with a expert ability can exploit this security alert.
Solutions for this threat 
Debian 10: new openjpeg2 packages.
New packages are available:
Debian 10: openjpeg2 2.3.0-2+deb10u2
Debian 8: new openjpeg2 packages.
New packages are available:
Debian 8: openjpeg2 2.1.0-2+deb8u10
Debian 9: new openjpeg2 packages.
New packages are available:
Debian 9: openjpeg2 2.1.2-1.1+deb9u5
Fedora: new mingw-openjpeg2 packages.
New packages are available:
Fedora 30: mingw-openjpeg2 2.3.1-7.fc30
Fedora 31: mingw-openjpeg2 2.3.1-7.fc31
Fedora: new openjpeg2 packages.
New packages are available:
Fedora 30: openjpeg2 2.3.1-6.fc30
Fedora 31: openjpeg2 2.3.1-6.fc31
Oracle Database: CPU of July 2020.
A Critical Patch Update is available:
https://support.oracle.com/rs?type=doc&id=2664876.1
Oracle Fusion Middleware: CPU of July 2020.
A Critical Patch Update is available:
https://support.oracle.com/rs?type=doc&id=2664876.1
Oracle Solaris: patch for third party software of April 2020 v1.
A patch is available:
https://support.oracle.com/rs?type=doc&id=1448883.1
RHEL 7.7: new openjpeg2 packages.
New packages are available:
RHEL 7.7: openjpeg2 2.3.1-3.el7_7
RHEL 8.0: new openjpeg2 packages.
New packages are available:
RHEL 8.0: openjpeg2 2.3.0-10.el8_0
RHEL 8.1: new openjpeg2 packages.
New packages are available:
RHEL 8.1: openjpeg2 2.3.1-3.el8_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
Ubuntu: new ghostscript packages.
New packages are available:
Ubuntu 18.04 LTS: ghostscript 9.26~dfsg+0-0ubuntu0.18.04.14
Ubuntu 16.04 LTS: ghostscript 9.26~dfsg+0-0ubuntu0.16.04.14
Wind River Linux: version 10.19.45.6.
The version 10.19.45.6 is fixed:
https://support2.windriver.com/
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