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Vulnerability of Eclipse OpenJ9: buffer overflow via UTF-8 Characters Encoding

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via UTF-8 Characters Encoding of Eclipse OpenJ9, in order to trigger a denial of service, and possibly to run code.
Impacted products: WebSphere AS Liberty, WebSphere AS Traditional, SUSE Linux Enterprise Desktop, SLES.
Severity of this bulletin: 3/4.
Creation date: 16/02/2021.
Références of this threat: 6415639, CVE-2020-27221, SUSE-SU-2021:0512-1, SUSE-SU-2021:0652-1, SUSE-SU-2021:0670-1, SUSE-SU-2021:14634-1, SUSE-SU-2021:14640-1, VIGILANCE-VUL-34587.

Description of the vulnerability 

An attacker can trigger a buffer overflow via UTF-8 Characters Encoding of Eclip...
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This computer weakness alert impacts software or systems such as WebSphere AS Liberty, WebSphere AS Traditional, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this weakness note 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 weakness bulletin.

Solutions for this threat 

Solutions, fixes, patches and workarounds for this vulnerability are not yet public.
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