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Vulnerability of pngcheck: buffer overflow via Large MNG LOOP Chunk

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via Large MNG LOOP Chunk of pngcheck, in order to trigger a denial of service, and possibly to run code.
Impacted software: Fedora.
Severity of this computer vulnerability: 2/4.
Creation date: 09/02/2021.
Références of this announce: FEDORA-2021-674d704f6c, FEDORA-2021-e24167b0e8, VIGILANCE-VUL-34516.

Description of the vulnerability 

An attacker can trigger a buffer overflow via Large MNG LOOP Chunk of pngcheck, ...
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This cybersecurity vulnerability impacts software or systems such as Fedora.

Our Vigil@nce team determined that the severity of this vulnerability 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 alert.

Solutions for this threat 

Solutions for this vulnerability are not yet public.
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