{"id":"CVE-2011-1922","aliases":["DEBIAN-CVE-2011-1922","EUVD-2011-1920","GHSA-gcr6-mhvm-c5mf"],"status":"published","title":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface...","description":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07085,"percentile":0.94265,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2011-05-31T20:00:00Z","modified":"2026-10-23T17:47:28Z","fixes":[{"ecosystem":"Debian:12","package":"unbound","fixed_in":["1.4.10-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"unbound","fixed_in":["1.4.10-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"unbound","fixed_in":["1.4.10-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"unbound","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.10-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"unbound","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.10-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"unbound","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.10-1"}]}]}],"products":[{"vendor":"nlnetlabs","product":"unbound"}],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/47986","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://secunia.com/advisories/44865","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://osvdb.org/72750","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://www.kb.cert.org/vuls/id/531342","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Patch","US Government Resource","fix","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67645","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1922"},{"url":"https://github.com/advisories/GHSA-gcr6-mhvm-c5mf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-1922","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-1922","description":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-08-06T22:46:00.344Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1920","description":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-08-06T22:46:00Z","updated_at":"2026-11-03T01:55:54.666744Z"}],"ghsa":[{"id":"GHSA-gcr6-mhvm-c5mf","title":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface...","description":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.","status":"published","published":"2022-05-17T01:59:30Z","modified":"2023-02-03T05:06:28Z","updated_at":"2026-11-02T14:53:54.29937Z"}],"nvd":[{"id":"CVE-2011-1922","description":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.","status":"published","published":"2011-05-31T20:55:03.53Z","modified":"2026-06-16T23:30:22.28Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:08.47516Z"}],"osv":[{"id":"CVE-2011-1922","description":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.","status":"published","published":"2011-05-31T20:55:03Z","modified":"2026-04-10T03:41:48.608706Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1922","description":"daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.","status":"published","published":"2011-05-31T20:55:03.53Z","modified":"2026-10-23T17:47:28.595772096Z","updated_at":"2026-11-02T15:45:24.612044Z"}]}}