CVE-2009-1755: 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…

PriorityP425medium5CVSS 2.0

AVNACLAuNCNINAP

EPSS

3.16%

86.4th percentile

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.

Affected

16 ranges

Vendor	Product	Version range	Fixed in
debian	nsd	< nsd 2.3.7-3 (bookworm)	nsd 2.3.7-3 (bookworm)
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	—	—
nlnetlabs	nsd	>= 0 < 2.3.7-3	2.3.7-3
nlnetlabs	nsd	>= 0 < 2.3.7-3	2.3.7-3
nlnetlabs	nsd	>= 0 < 2.3.7-3	2.3.7-3
nlnetlabs	nsd	>= 0 < 2.3.7-3	2.3.7-3

CVSS provenance

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

osv5.0MEDIUM

vendor_debian5.0MEDIUM

vendor_redhat5.0MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.