CVE-2005-0876
Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.
02 Description
Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.
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
- 2.60% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.0% 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
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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
- 2005-03-26 05:00Z21 YR AGO
- Last updated
- 2024-08-07 21:28Z2 YR AGO
- Reserved
- 2005-03-26
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 186a8b5d6d4c095559b02c364b38c2885686409c01cf5a2784d215c7afe0d34b
05 Affected products
06 References
- exchange.xforce.ibmcloud.comdnsmasq-dhcp-offbyone-bo(19825)https://exchange.xforce.ibmcloud.com/vulnerabilities/19825
- secunia.com14691http://secunia.com/advisories/14691
- www.thekelleys.org.ukhttp://www.thekelleys.org.uk/dnsmasq/CHANGELOG
- www.securityfocus.com12897http://www.securityfocus.com/bid/12897
07 Fixed in
Debian 12
- dnsmasq Fixed in 2.21
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- dnsmasq Fixed in 2.21
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- dnsmasq Fixed in 2.21
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.