CVE-2014-0106: Sudo 1.6.9 before 1.8.5, when env_reset is disabled, does not properly check environment variables for the env

Q: How do I fix CVE-2014-0106?

mac os x: upgrade to newer than 10.10.4; sudo: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2014-0106 being exploited?

CVE-2014-0106 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-2014-0106 affect?

CVE-2014-0106 affects mac os x, sudo. Severity is medium (CVSS 6.6). Sudo 1.6.9 before 1.8.5, when env_reset is disabled, does not properly check environment variables for the env_delete restriction, which allows local users with sudo permissions to bypass intended command restrictions via a crafted environm

Q: How urgent is CVE-2014-0106?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.6UPGRADEMITIGATE

CVE-2014-0106 is a medium-severity flaw (CVSS 6.6) affecting mac os x, sudo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sudo 1.6.9 before 1.8.5, when env_reset is disabled, does not properly check environment variables for the env_delete restriction, which allows local users with sudo permissions to bypass intended command restrictions via a crafted environment variable.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.6 (Medium)
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-20
Published	2014-03-11
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: apple · todd miller

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

Am I affected?

Timeline

2014-03-11 19:37 UTCPublished CVE record published
2026-06-17 00:02 UTCUpdated Record last modified

apple mac os x UPGRADE

Affected: <= 10.10.4

Fixed in: newer than 10.10.4

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

todd miller sudo MITIGATE

Affected: 1.6.9 · 1.6.9p20 · 1.6.9p21 · 1.6.9p22 · 1.6.9p23 · 1.7.0 · 1.7.1 · 1.7.2

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Downgrade not recommended

This is a core system component: downgrading can break the OS. Apply the distro update or the vendor mitigation.

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-2014-0106?

mac os x: upgrade to newer than 10.10.4; sudo: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-0106 being exploited?

CVE-2014-0106 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-2014-0106 affect?

CVE-2014-0106 affects mac os x, sudo. Severity is medium (CVSS 6.6). Sudo 1.6.9 before 1.8.5, when env_reset is disabled, does not properly check environment variables for the env_delete restriction, which allows local users with sudo permissions to bypass intended command restrictions via a crafted environm

How urgent is CVE-2014-0106?

Priority 30/100. No elevated risk signals yet.

Software pages

Sudo vulnerabilities

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References

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