{"id":"CVE-2011-1757","aliases":["EUVD-2011-1756","GHSA-4p35-7jx5-47jq"],"status":"published","title":"DJabberd 0.84 and earlier does not properly detect recursion during entity expansion, which...","description":"DJabberd 0.84 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01118,"percentile":0.66316,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2011-06-21T01:00:00Z","modified":"2026-06-16T23:29:58Z","products":[{"vendor":"brad_fitzpatrick","product":"djabberd"}],"references":[{"url":"http://groups.google.com/group/djabberd/msg/e3b250f3c1877ede?dmode=source","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1757"},{"url":"https://github.com/advisories/GHSA-4p35-7jx5-47jq"}],"sources":{"cve":[{"id":"CVE-2011-1757","description":"DJabberd 0.84 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.","status":"published","published":"2011-06-21T01:00:00Z","modified":"2024-09-17T00:26:22.116Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1756","description":"DJabberd 0.84 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.","status":"published","published":"2011-06-21T01:00:00Z","modified":"2024-09-17T00:26:22Z","updated_at":"2026-11-03T00:28:58.853192Z"}],"ghsa":[{"id":"GHSA-4p35-7jx5-47jq","title":"DJabberd 0.84 and earlier does not properly detect recursion during entity expansion, which...","description":"DJabberd 0.84 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.","status":"published","published":"2022-05-17T05:41:07Z","modified":"2023-01-28T05:04:31Z","updated_at":"2026-11-02T14:44:11.36375Z"}],"nvd":[{"id":"CVE-2011-1757","description":"DJabberd 0.84 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.","status":"published","published":"2011-06-21T02:52:43.64Z","modified":"2026-06-16T23:29:58.147Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}