CVE-2009-1086
ldns - arbitrary code execution
EPSS 3.4%
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.
How to fix CVE-2009-1086
To remediate CVE-2009-1086, upgrade the affected package to a fixed version below.
- Debian/ldns—upgrade to 1.5.1-1 or later
- Debian/ldns—upgrade to 1.4.0-1+lenny1 or later
Is CVE-2009-1086 being exploited?
Low — EPSS is 3.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.5.1-1
- from 0, < 1.4.0-1+lenny1