VULNERABILITY INTELLIGENCE
CVE-2009-1086
CVSS score6.4 MEDIUM
EPSS probability3.47%
CISA KEVNot currently listed
Published2009-03-25
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:P
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.