{"schema_version":"1.7.2","id":"OESA-2026-3154","modified":"2026-07-24T03:28:01Z","published":"2026-07-24T03:28:01Z","upstream":["CVE-2026-41579"],"summary":"runc security update","details":"runc is a CLI tool for spawning and running containers according to the OCI specification.\r\n\r\nSecurity Fix(es):\n\nrunc is a CLI tool for spawning and running containers according to the OCI specification. In versions prior to 1.3.6, 1.4.0-rc.1, 1.4.0-rc.12, 1.5.0-rc.1, and 1.5.0-rc.1, when setting up the container rootfs, setupPtmx and setupDevSymlinks call os.Remove and os.Symlink with a filepath.Join string which allow an image with /dev as a symlink to trick runc into deleting files called ptmx on the host or creating a hardcoded set of symlinks with specific names and targets in an arbitrary pre-existing host directory. This issue is not exploitable under Docker, because Docker creates a top-level read-only layer that masks any malicious /dev symlink present in the container image — unlike some other Linux container tooling, whose higher-level runtimes built on runc remain exposed to exploitation via a malicious image. This issue has been fixed in versions 1.3.6, 1.4.3 and 1.5.0.(CVE-2026-41579)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP4","name":"runc","purl":"pkg:rpm/openEuler/runc&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"docker-1.0.0.rc3-235.oe2003sp4"}]}],"ecosystem_specific":{"aarch64":["docker-runc-1.0.0.rc3-235.oe2003sp4.aarch64.rpm"],"src":["docker-runc-1.0.0.rc3-235.oe2003sp4.src.rpm"],"x86_64":["docker-runc-1.0.0.rc3-235.oe2003sp4.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:22.03-LTS-SP4","name":"runc","purl":"pkg:rpm/openEuler/runc&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-40.oe2203sp4"}]}],"ecosystem_specific":{"aarch64":["runc-1.1.3-40.oe2203sp4.aarch64.rpm"],"src":["runc-1.1.3-40.oe2203sp4.src.rpm"],"x86_64":["runc-1.1.3-40.oe2203sp4.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP1","name":"runc","purl":"pkg:rpm/openEuler/runc&distro=openEuler-24.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.8-35.oe2403sp1"}]}],"ecosystem_specific":{"aarch64":["runc-1.1.8-35.oe2403sp1.aarch64.rpm"],"src":["runc-1.1.8-35.oe2403sp1.src.rpm"],"x86_64":["runc-1.1.8-35.oe2403sp1.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP3","name":"runc","purl":"pkg:rpm/openEuler/runc&distro=openEuler-24.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.8-35.oe2403sp3"}]}],"ecosystem_specific":{"aarch64":["runc-1.1.8-35.oe2403sp3.aarch64.rpm"],"src":["runc-1.1.8-35.oe2403sp3.src.rpm"],"x86_64":["runc-1.1.8-35.oe2403sp3.x86_64.rpm"]}},{"package":{"ecosystem":"openEuler:24.03-LTS-SP4","name":"runc","purl":"pkg:rpm/openEuler/runc&distro=openEuler-24.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.8-35.oe2403sp4"}]}],"ecosystem_specific":{"aarch64":["runc-1.1.8-35.oe2403sp4.aarch64.rpm"],"src":["runc-1.1.8-35.oe2403sp4.src.rpm"],"x86_64":["runc-1.1.8-35.oe2403sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3154"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41579"}],"database_specific":{"severity":"Low"}}