Security readout for executives and security teams
CVE-2005-0876 is an old dnsmasq flaw where mishandling the DHCP lease file could overflow a buffer by one byte and potentially let an attacker run code. The public record names dnsmasq before 2.21. Business urgency depends on whether any legacy or embedded systems still run those versions. Exposure is most likely in legacy Linux systems, network appliances, or embedded devices running dnsmasq before 2.21. Modern supported distributions may have backported fixes, so version banners alone may not prove vulnerability without vendor package history. Treat this as a legacy exposure cleanup item with high impact if present. It should be prioritized for internet-edge, branch, or appliance environments where old dnsmasq versions may persist unnoticed. Mitigation focus: Upgrade dnsmasq to 2.21 or a vendor-supported fixed package.; Check vendor advisories for backported fixes on supported distributions.; Retire or isolate unsupported appliances running old dnsmasq builds..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2005-0876 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- dnsmasq-dhcp-offbyone-bo(19825)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.