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Vulnerability of Exiv2: integer overflow via WebPImage-decodeChunks

Synthesis of the vulnerability 

An attacker can trigger an integer overflow via WebPImage::decodeChunks() of Exiv2, in order to trigger a denial of service, and possibly to run code.
Impacted products: Fedora.
Severity of this bulletin: 2/4.
Creation date: 09/08/2019.
Références of this threat: CVE-2019-13111, FEDORA-2019-60553d5a18, VIGILANCE-VUL-29997.

Description of the vulnerability 

An attacker can trigger an integer overflow via WebPImage::decodeChunks() of Exiv2, in order to trigger a denial of service, and possibly to run code.
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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 

Fedora 30: new exiv2 packages.
New packages are available:
  Fedora 30: exiv2 0.27.2-1.fc30
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