CVE-2017-3144
A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 72.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 72.72% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- isc/dhcp · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · canonical/ubuntu linux · debian/debian linux
- Source
- security-officer@isc.org
EPSS 72.7% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/102726Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040194Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0158Third Party Advisory
- https://kb.isc.org/docs/aa-01541Vendor Advisory
- https://usn.ubuntu.com/3586-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4133Third Party Advisory
- http://www.securityfocus.com/bid/102726Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040194Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0158Third Party Advisory
- https://kb.isc.org/docs/aa-01541Vendor Advisory
- https://usn.ubuntu.com/3586-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4133Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.