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Published: 25 July 2019

VCFTools vcftools prior to version 0.1.15 is affected by: Use-after-free. The impact is: Denial of Service or possibly other impact (eg. code execution or information disclosure). The component is: The header::add_FILTER_descriptor method in header.cpp. The attack vector is: The victim must open a specially crafted VCF file.

From the Ubuntu Security Team

It was discovered that VCFtools improperly handled memory allocation/deallocation, resulting in a use-after-free vulnerability. If a victim were tricked into opening a specially crafted VCF File, an attacker could cause VCFtools to leak sensitive information or possibly execute arbitrary code.



Cvss 3 Severity Score


Score breakdown


Package Release Status
Launchpad, Ubuntu, Debian
Released (0.1.15-1ubuntu0.1~esm1)
Available with Ubuntu Pro
disco Not vulnerable
eoan Not vulnerable
focal Not vulnerable
groovy Not vulnerable
hirsute Not vulnerable
impish Not vulnerable
jammy Not vulnerable
kinetic Not vulnerable
lunar Not vulnerable
mantic Not vulnerable
noble Not vulnerable
Released (0.1.11+dfsg-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial Needs triage

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H