CVE-2009-1755
nsd nsd3 - denial of service
EPSS 1.8%
Description
Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section in query.c in nsd 2.3.7, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors that trigger a buffer overflow.
How to fix CVE-2009-1755
To remediate CVE-2009-1755, upgrade the affected package to a fixed version below.
- Debian/nsd—upgrade to 2.3.7-3 or later
- Debian/nsd—upgrade to 2.3.6-1+etch1 or later
- Debian/nsd3—upgrade to 3.0.7-3.lenny2 or later
Is CVE-2009-1755 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.3.7-3
- from 0, < 2.3.6-1+etch1
- from 0, < 3.0.7-3.lenny2