CVE-2009-1086

EPSS 3.4%

ldns - arbitrary code execution

Published: 3/25/2009Modified: 5/29/2026

Also known as: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.

Affected packages (2)

Debian/ldnsfrom 0, < 1.5.1-1
Debian/ldnsfrom 0, < 1.4.0-1+lenny1

References (1)

ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2009-1086