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 to cause a denial of service (crash) and
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.15% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 87.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-05-22 01:00Z17 YR AGO
- Last updated
- 2024-09-17 03:23Z2 YR AGO
- Reserved
- 2009-05-21
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- c10a7c2cfab7e995389413561378f400de01edb099a6515d392d134e0f4815cc
05 Affected products
06 References
- www.nlnetlabs.nlhttp://www.nlnetlabs.nl/publications/NSD_vulnerability_announcement.html
- bugs.debian.orghttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529420
- bugs.debian.orghttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529418
- www.openwall.com[oss-security] 20090519 CVE id request: nsdhttp://www.openwall.com/lists/oss-security/2009/05/19/1
07 Fixed in
Debian 12
- nsd Fixed in 2.3.7-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- nsd Fixed in 2.3.7-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- nsd Fixed in 2.3.7-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.