CVE-2019-1010127: VCFTools vcftools prior to version 0.1.15 is affected by: Use-after-free

Q: How do I fix CVE-2019-1010127?

vcftools: upgrade to 0.1.15. Exact commands for each OS are on this page.

Q: Is CVE-2019-1010127 being exploited?

CVE-2019-1010127 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-1010127 affect?

CVE-2019-1010127 affects vcftools. Severity is high (CVSS 7.8). 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 i

Q: How urgent is CVE-2019-1010127?

Priority 51/100. High severity; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2019-1010127 is a high-severity flaw (CVSS 7.8) affecting vcftools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-416
Published	2019-07-25
Last modified	2026-06-17

Publisher (CNA): DWF · Vendor: vcftools project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-07-25 19:15 UTCPublished CVE record published
2026-06-17 02:09 UTCUpdated Record last modified

vcftools project vcftools UPGRADE

Affected: < 0.1.15

Fixed in: 0.1.15

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vcftools || rpm -q vcftools || vcftools --version

2. UPGRADE to 0.1.15 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vcftools

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vcftools

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-1010127?

vcftools: upgrade to 0.1.15. Exact commands for each OS are on this page.

Is CVE-2019-1010127 being exploited?

CVE-2019-1010127 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-1010127 affect?

CVE-2019-1010127 affects vcftools. Severity is high (CVSS 7.8). 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 i

How urgent is CVE-2019-1010127?

Priority 51/100. High severity; Public exploit reference

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References

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