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Vulnerability of Exiv2: out-of-bounds memory reading via Image Metadata

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via Image Metadata of Exiv2, in order to trigger a denial of service, or to obtain sensitive information.
Impacted software: Fedora, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 25/05/2021.
Références of this announce: CVE-2021-29623, FEDORA-2021-8253c78bd7, FEDORA-2021-8917c5d9d2, FEDORA-2021-bdba47348c, FEDORA-2021-d1d5a0bf0f, USN-4964-1, VIGILANCE-VUL-35524.

Description of the vulnerability 

An attacker can force a read at an invalid address via Image Metadata of Exiv2, ...
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This weakness impacts software or systems such as Fedora, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability announce 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 threat bulletin.

Solutions for this threat 

Solutions for this vulnerability are not yet public.
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