{"id":"DEBIAN-CVE-2026-102278","details":"The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to 1.1.20, 2.1.6, 3.0.8, and 5.0.11, deeply nested brace groups cause expand_() to recurse once per nesting level at comma-member and single-set expansion sites, exhausting the native stack before output limits can apply and potentially terminating the Node.js process. expand_ performs uncontrolled recursion for nested brace alternatives and single-part sets. deeply nested brace groups supplied as an untrusted pattern. expand_ is affected. expand is affected. Comma members is affected. Single set is affected. native stack exhaustion during nested sub-expansion. process-terminating denial of service. This issue is fixed in versions 1.1.20, 2.1.6, 3.0.8, and 5.0.11.","modified":"2026-10-01T00:47:38.659906622Z","published":"2026-09-28T21:17:16.517Z","upstream":["CVE-2026-102278"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-102278"}],"affected":[{"package":{"name":"node-brace-expansion","ecosystem":"Debian:12","purl":"pkg:deb/debian/node-brace-expansion?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.1+~1.1.0-1","2.0.1+~1.1.0-2","2.0.1-2","2.0.3+~1.1.2-1","2.0.3+~1.1.2-2","2.0.3+~1.1.2-3","2.1.4+~1.1.2-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-102278.json"}},{"package":{"name":"node-brace-expansion","ecosystem":"Debian:13","purl":"pkg:deb/debian/node-brace-expansion?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.1+~1.1.0-2","2.0.3+~1.1.2-1","2.0.3+~1.1.2-2","2.0.3+~1.1.2-3","2.1.4+~1.1.2-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-102278.json"}},{"package":{"name":"node-brace-expansion","ecosystem":"Debian:14","purl":"pkg:deb/debian/node-brace-expansion?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.1+~1.1.0-2","2.0.3+~1.1.2-1","2.0.3+~1.1.2-2","2.0.3+~1.1.2-3","2.1.4+~1.1.2-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-102278.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}