CVE-2014-1424: apparmor_parser in the apparmor package before 2.8.95~2430-0ubuntu5.1 in Ubuntu 14.04 allows attackers to bypa

Q: How do I fix CVE-2014-1424?

apparmor: upgrade to newer than 2.8.94-0ubuntu1.4; ubuntu: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2014-1424 being exploited?

CVE-2014-1424 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-2014-1424 affect?

CVE-2014-1424 affects apparmor, ubuntu. Severity is medium (CVSS 6.4). apparmor_parser in the apparmor package before 2.8.95~2430-0ubuntu5.1 in Ubuntu 14.04 allows attackers to bypass AppArmor policies via unspecified vectors, related to a "miscompilation flaw."

Q: How urgent is CVE-2014-1424?

Priority 46/100. On your watchlist

This month

MEDIUM 6.4WATCHLISTUPGRADEMITIGATE

CVE-2014-1424 is a medium-severity flaw (CVSS 6.4) affecting apparmor, ubuntu. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

apparmor_parser in the apparmor package before 2.8.95~2430-0ubuntu5.1 in Ubuntu 14.04 allows attackers to bypass AppArmor policies via unspecified vectors, related to a "miscompilation flaw."

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-264
Published	2014-11-24
Last modified	2026-06-17

Publisher (CNA): Canonical Ltd. · Vendor: canonical · ubuntu

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

Am I affected?

Timeline

2014-11-24 15:59 UTCPublished CVE record published
2026-06-17 00:04 UTCUpdated Record last modified

ubuntu apparmor UPGRADE

Affected: <= 2.8.94-0ubuntu1.4

Fixed in: newer than 2.8.94-0ubuntu1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.8.94-0ubuntu1.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade apparmor

Note

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

canonical ubuntu MITIGATE

Affected: 14.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 14.04

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.

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-2014-1424?

apparmor: upgrade to newer than 2.8.94-0ubuntu1.4; ubuntu: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-1424 being exploited?

CVE-2014-1424 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-2014-1424 affect?

CVE-2014-1424 affects apparmor, ubuntu. Severity is medium (CVSS 6.4). apparmor_parser in the apparmor package before 2.8.95~2430-0ubuntu5.1 in Ubuntu 14.04 allows attackers to bypass AppArmor policies via unspecified vectors, related to a "miscompilation flaw."

How urgent is CVE-2014-1424?

Priority 46/100. On your watchlist

Software pages

Ubuntu vulnerabilities

Related CVEs

CVE-2017-6507 MEDIUM 5.9 UPGRADE MITIGATE An issue was discovered in AppArmor before 2.12
CVE-2016-1585 CRITICAL 9.8 UPGRADE In all versions of AppArmor mount rules are accidentally widened when compiled.

References

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