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Vulnerability of Jhead: out-of-bounds memory reading via ReadJpegSections

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via ReadJpegSections() of Jhead, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable products: Fedora.
Severity of this weakness: 2/4.
Creation date: 02/12/2019.
Références of this bulletin: CVE-2019-19035, FEDORA-2019-7efb86afdc, FEDORA-2019-948e6ebaeb, VIGILANCE-VUL-31026.

Description of the vulnerability 

An attacker can force a read at an invalid address via ReadJpegSections() of Jhead, in order to trigger a denial of service, or to obtain sensitive information.
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This weakness note impacts software or systems such as Fedora.

Our Vigil@nce team determined that the severity of this threat note 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 computer weakness.

Solutions for this threat 

Fedora: new jhead packages.
New packages are available:
  Fedora 30: jhead 3.04-1.fc30
  Fedora 31: jhead 3.04-1.fc31
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