How severe is CVE-2016-1585?

CVE-2016-1585 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-1585 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1585?

CVE-2016-1585 affects Canonical Apparmor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1585?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-1585 published?

CVE-2016-1585 was published on 2019-04-22 and last updated on 2026-06-17.

CVE-2016-1585

CVE-2016-1585 is a critical-severity vulnerability in Canonical Apparmor with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Canonical Apparmor
Published: 2019-04-22
Last modified: 2026-06-17

Description

In all versions of AppArmor mount rules are accidentally widened when compiled.

Frequently asked questions

What is CVE-2016-1585?: In all versions of AppArmor mount rules are accidentally widened when compiled.
How severe is CVE-2016-1585?: CVE-2016-1585 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-1585 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1585?: CVE-2016-1585 affects Canonical Apparmor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1585?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-1585 published?: CVE-2016-1585 was published on 2019-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:canonical:apparmor:*:*:*:*:*:*:*:*