{"id":"DEBIAN-CVE-2026-15972","details":"Consul Community Edition and Consul Enterprise 1.13.0 through 2.0.2 are vulnerable to an unauthenticated denial of service through unbounded connection acceptance on the external gRPC listeners. A remote attacker may exhaust agent file descriptors, goroutines, and memory by opening many incomplete connections, potentially preventing legitimate clients from connecting. This vulnerability, CVE-2026-15972, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.","modified":"2026-08-29T08:47:39.457785815Z","published":"2026-08-07T20:16:50.020Z","upstream":["CVE-2026-15972"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-15972"}],"affected":[{"package":{"name":"consul","ecosystem":"Debian:11","purl":"pkg:deb/debian/consul?arch=source&distro=bullseye"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.12+dfsg1-1","1.8.7+dfsg1-2","1.8.7+dfsg1-3","1.8.7+dfsg1-4","1.8.7+dfsg1-5","1.8.7+dfsg1-6","1.9.17+dfsg2-1"],"ecosystem_specific":{"urgency":"end-of-life"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-15972.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"}]}