{"cve":"CVE-2019-19921","nvd":{"published":"2020-02-12T15:15:12.210","modified":"2026-06-17T02:27:27.390","status":"Modified","description":"runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.0},"cwes":["CWE-706"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00018.html","https://access.redhat.com/errata/RHSA-2020:0688","https://access.redhat.com/errata/RHSA-2020:0695","https://github.com/opencontainers/runc/issues/2197","https://github.com/opencontainers/runc/pull/2190"],"products":["canonical:ubuntu_linux","debian:debian_linux","linuxfoundation:runc","opensuse:leap","redhat:openshift_container_platform"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2019-19921","score":0.00433,"percentile":0.37619,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-fh74-hm69-rqjw","url":"https://osv.dev/vulnerability/GHSA-fh74-hm69-rqjw","summary":"opencontainers runc contains procfs race condition with a shared volume mount","modified":"2026-09-10T03:49:14.632691018Z","packages":[{"ecosystem":"Go","name":"github.com/opencontainers/runc","purl":"pkg:golang/github.com/opencontainers/runc","ranges":["<1.0.0-rc9.0.20200122160610-2fc03cc11c77"],"fixed":["1.0.0-rc9.0.20200122160610-2fc03cc11c77"]}]},{"id":"GO-2021-0087","url":"https://osv.dev/vulnerability/GO-2021-0087","summary":"Race condition in github.com/opencontainers/runc","modified":"2026-02-04T03:07:02.484214Z","packages":[{"ecosystem":"Go","name":"github.com/opencontainers/runc","purl":"pkg:golang/github.com/opencontainers/runc","ranges":["<1.0.0-rc9.0.20200122160610-2fc03cc11c77"],"fixed":["1.0.0-rc9.0.20200122160610-2fc03cc11c77"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}