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Vulnerability of GDK-PixBuf: integer overflow via gdk_pixbuf_gif_anim_iter_get_pixbuf

Synthesis of the vulnerability 

An attacker can trigger an integer overflow via gdk_pixbuf_gif_anim_iter_get_pixbuf() of GDK-PixBuf, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Fedora, Ubuntu.
Severity of this alert: 2/4.
Creation date: 22/02/2021.
Références of this alert: CVE-2021-20240, FEDORA-2021-2e59756cbe, USN-4743-1, VIGILANCE-VUL-34643.

Description of the vulnerability 

An attacker can trigger an integer overflow via gdk_pixbuf_gif_anim_iter_get_pix...
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This computer weakness announce impacts software or systems such as Fedora, Ubuntu.

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

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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