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Vulnerability of Ruby json-jwt: buffer overflow via JWE String Splitting

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via JWE String Splitting of Ruby json-jwt, in order to trigger a denial of service, and possibly to run code.
Impacted products: Debian.
Severity of this bulletin: 3/4.
Creation date: 01/10/2020.
Références of this threat: CVE-2019-18848, DLA-2390-1, VIGILANCE-VUL-33465.

Description of the vulnerability 

An attacker can trigger a buffer overflow via JWE String Splitting of Ruby json-...
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This computer threat note impacts software or systems such as Debian.

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

Solutions for this threat 

Patches for this vulnerability are not yet public.
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