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Synthesis of the vulnerability 
An attacker can trigger an integer overflow via flattenIncrementally() of xcftools, in order to trigger a denial of service, and possibly to run code.
 Impacted software: Debian.
Severity of this computer vulnerability: 2/4.
Creation date: 10/02/2021.
Références of this announce: CVE-2019-5086, DLA-2553-1, DLA-2553-2, VIGILANCE-VUL-34540.
Description of the vulnerability 
An attacker can trigger an integer overflow via flattenIncrementally() of xcftools, in order to trigger a denial of service, and possibly to run code.
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This vulnerability alert impacts software or systems such as Debian.
Our Vigil@nce team determined that the severity of this computer weakness 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 computer vulnerability.
Solutions for this threat 
Debian 9: new xcftools packages.
New packages are available:
Debian 9: xcftools 1.0.7-6+deb9u2
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Computer vulnerabilities tracking service 
Vigil@nce provides a computer vulnerabilities watch and alert. The Vigil@nce vulnerability database contains several thousand vulnerabilities.
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