Security readout for executives and security teams
CVE-2019-16884 is a container isolation weakness in runc used by Docker and other products. A malicious container image could bypass AppArmor restrictions by mounting over a /proc directory. The sources do not show active exploitation or a CVSS score, but the issue matters where untrusted images run on AppArmor-protected Linux hosts. Highest exposure is Linux container infrastructure running affected runc or Docker versions while relying on AppArmor, especially CI, build, or multi-tenant environments that execute untrusted images. Treat as a targeted container-platform remediation item, not a confirmed emergency. Prioritize internet-facing, multi-tenant, and untrusted-image environments because the weakness undermines a security control used for containment. Mitigation focus: Update runc and Docker packages using applicable vendor advisories.; Prioritize hosts that run untrusted or third-party container images.; Check distribution advisories for Fedora, openSUSE, Red Hat, Gentoo, Ubuntu, and Debian packages..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Container behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-16884 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/opencontainers/runc/issues/2128CVE reference
- FEDORA-2019-bd4843561cCVE reference · vendor-advisory
- FEDORA-2019-3fc86a518bCVE reference · vendor-advisory
- FEDORA-2019-96946c39ddCVE reference · vendor-advisory
- RHSA-2019:3940CVE reference · vendor-advisory
- RHSA-2019:4074CVE reference · vendor-advisory
- RHSA-2019:4269CVE reference · vendor-advisory
- GLSA-202003-21CVE reference · vendor-advisory
- USN-4297-1CVE reference · vendor-advisory
- https://security.netapp.com/advisory/ntap-20220221-0004/CVE reference
- [debian-lts-announce] 20230218 [SECURITY] [DLA 3322-1] golang-github-opencontainers-selinux security updateCVE reference · mailing-list
- [debian-lts-announce] 20230327 [SECURITY] [DLA 3369-1] runc security updateCVE reference · mailing-list
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
