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Vulnerability of Jasper: out-of-bounds memory reading via jp2_decode

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via jp2_decode() of Jasper, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable software: Fedora.
Severity of this announce: 2/4.
Creation date: 12/02/2021.
Références of this computer vulnerability: CVE-2021-26926, FEDORA-2021-0c18ee6369, FEDORA-2021-7716e59d84, VIGILANCE-VUL-34573.

Description of the vulnerability 

An attacker can force a read at an invalid address via jp2_decode() of Jasper, i...
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This computer weakness note impacts software or systems such as Fedora.

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

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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