What is CVE-2016-1585?

CVE-2016-1585 is a critical-severity vulnerability in Apparmor. CVSS score: 9.8/10. Published 2019-04-22.

How severe is CVE-2016-1585?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-1585 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Apparmor

CVE-2016-1585

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

Published 2019-04-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Apparmor — versions all
Canonical Apparmor

Public proof-of-concept exploits

References

bugs.launchpad.net/apparmor/+bug/1597017 (Third Party Advisory, Issue Tracking)
lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac… (mailing-list, Third Party Advisory)

Frequently asked questions

What is CVE-2016-1585?: CVE-2016-1585 is a critical-severity vulnerability in Apparmor. CVSS score: 9.8/10. Published 2019-04-22.
How severe is CVE-2016-1585?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-1585 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.