{"id":"CVE-2009-1086","aliases":["DEBIAN-CVE-2009-1086","DSA-1795-1","EUVD-2009-1087","GHSA-5957-cmgf-chq8"],"status":"published","title":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows...","description":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03473,"percentile":0.89167,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2009-03-25T18:00:00Z","modified":"2026-10-23T17:47:40Z","fixes":[{"ecosystem":"Debian:12","package":"ldns","fixed_in":["1.5.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ldns","fixed_in":["1.5.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ldns","fixed_in":["1.5.1-1"],"sources":["osv"]},{"ecosystem":"Debian:5.0","package":"ldns","fixed_in":["1.4.0-1+lenny1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ldns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ldns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ldns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.1-1"}]}]},{"source":"osv","ecosystem":"Debian:5.0","package":"ldns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.0-1+lenny1"}]}],"versions":["1.4.0-1"]}],"products":[{"vendor":"nlnetlabs","product":"ldns"}],"references":[{"url":"http://secunia.com/advisories/35013","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2009/03/24/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/34233","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.nlnetlabs.nl/svn/ldns/tags/release-1.5.0/Changelog","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/35065","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.nlnetlabs.nl/bugs/show_bug.cgi?id=232","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.debian.org/security/2009/dsa-1795","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1086"},{"url":"https://github.com/advisories/GHSA-5957-cmgf-chq8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-1086","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-1086","description":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.","status":"published","published":"2009-03-25T18:00:00Z","modified":"2024-08-07T04:57:17.916Z","updated_at":"2026-11-02T14:33:25.126493Z"}],"euvd":[{"id":"EUVD-2009-1087","description":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.","status":"published","published":"2009-03-25T18:00:00Z","modified":"2024-08-07T04:57:17Z","updated_at":"2026-11-03T01:39:23.366568Z"}],"ghsa":[{"id":"GHSA-5957-cmgf-chq8","title":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows...","description":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.","status":"published","published":"2022-05-02T03:21:32Z","modified":"2023-01-31T05:08:09Z","updated_at":"2026-11-02T14:49:20.892642Z"}],"nvd":[{"id":"CVE-2009-1086","description":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.","status":"published","published":"2009-03-25T18:30:00.547Z","modified":"2026-06-16T23:06:28.45Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:34.44527Z"}],"osv":[{"id":"CVE-2009-1086","description":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.","status":"published","published":"2009-03-25T18:30:00Z","modified":"2026-04-10T03:40:41.46607Z","updated_at":"2026-11-02T15:43:57.452479Z"},{"id":"DEBIAN-CVE-2009-1086","description":"Heap-based buffer overflow in the ldns_rr_new_frm_str_internal function in ldns 1.4.x allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a DNS resource record (RR) with a long (1) class field (clas variable) and possibly (2) TTL field.","status":"published","published":"2009-03-25T18:30:00.547Z","modified":"2026-10-23T17:47:40.110577128Z","updated_at":"2026-11-02T15:45:24.013654Z"},{"id":"DSA-1795-1","title":"ldns - arbitrary code execution","status":"published","published":"2009-05-07T00:00:00Z","modified":"2026-03-09T01:23:28.435453Z","updated_at":"2026-11-02T15:46:14.734124Z"}]}}