CVE-2021-41067: An issue was discovered in Listary through 6

Q: How do I fix CVE-2021-41067?

listary: upgrade to newer than 6. Exact commands for each OS are on this page.

Q: Is CVE-2021-41067 being exploited?

CVE-2021-41067 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-2021-41067 affect?

CVE-2021-41067 affects listary. Severity is high (CVSS 7.5). An issue was discovered in Listary through 6. Improper implementation of the update process leads to the download of software updates with a /check-update HTTP-based connection. This can be exploited with MITM techniques. Together with the

Routine

HIGH 7.5UPGRADE

CVE-2021-41067 is a high-severity flaw (CVSS 7.5) affecting listary. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Listary through 6. Improper implementation of the update process leads to the download of software updates with a /check-update HTTP-based connection. This can be exploited with MITM techniques. Together with the lack of package validation, it can lead to manipulation of update packages that can cause an installation of malicious content.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-354
Published	2021-12-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: listary

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

Am I affected?

Timeline

2021-12-14 16:15 UTCPublished CVE record published
2026-06-17 04:07 UTCUpdated Record last modified

listary listary UPGRADE

Affected: <= 6

Fixed in: newer than 6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade listary

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-2021-41067?

listary: upgrade to newer than 6. Exact commands for each OS are on this page.

Is CVE-2021-41067 being exploited?

CVE-2021-41067 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-2021-41067 affect?

CVE-2021-41067 affects listary. Severity is high (CVSS 7.5). An issue was discovered in Listary through 6. Improper implementation of the update process leads to the download of software updates with a /check-update HTTP-based connection. This can be exploited with MITM techniques. Together with the

How urgent is CVE-2021-41067?

Priority 38/100. High severity

Related CVEs

CVE-2021-41066 HIGH 7.5 UPGRADE An issue was discovered in Listary through 6
CVE-2021-41065 HIGH 7.3 UPGRADE An issue was discovered in Listary through 6

References

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