CVE-2011-2748
Published Aug 15, 2011 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted DHCP packet.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted DHCP packet.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- 10%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- USN-1190-1 ↗
- redmine.pfsense.org ↗
- FEDORA-2011-10705 ↗
- 45595 ↗
- openSUSE-SU-2011:1021 ↗
- DSA-2292 ↗
- RHSA-2011:1160 ↗
- 1025918 ↗
- 45817 ↗
- 49120 ↗
- www.isc.org ↗
- www.isc.org ↗
Record history
Published Aug 15, 2011 · Last refreshed Oct 23, 2026