CVE-2018-0506: Nootka 1.4.4 and earlier allows remote attackers to execute arbitrary OS commands via unspecified vectors.

Q: How do I fix CVE-2018-0506?

nootka: upgrade to newer than 1.4.4. Exact commands for each OS are on this page.

Q: Is CVE-2018-0506 being exploited?

CVE-2018-0506 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-2018-0506 affect?

CVE-2018-0506 affects nootka. Severity is critical (CVSS 9.8). Nootka 1.4.4 and earlier allows remote attackers to execute arbitrary OS commands via unspecified vectors.

Q: How urgent is CVE-2018-0506?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-0506 is a critical-severity flaw (CVSS 9.8) affecting nootka. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Nootka 1.4.4 and earlier allows remote attackers to execute arbitrary OS commands via unspecified vectors.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-78
Published	2018-01-26
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: nootka project

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

Am I affected?

Timeline

2018-01-26 16:29 UTCPublished CVE record published
2026-06-17 01:31 UTCUpdated Record last modified

nootka project nootka UPGRADE

Affected: <= 1.4.4

Fixed in: newer than 1.4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.4.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nootka

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-2018-0506?

nootka: upgrade to newer than 1.4.4. Exact commands for each OS are on this page.

Is CVE-2018-0506 being exploited?

CVE-2018-0506 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-2018-0506 affect?

CVE-2018-0506 affects nootka. Severity is critical (CVSS 9.8). Nootka 1.4.4 and earlier allows remote attackers to execute arbitrary OS commands via unspecified vectors.

How urgent is CVE-2018-0506?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

References

← Back to latest CVEs