The ctl_getitem method in ntpd in ntp-4.2.8p6 before 4.2.8p11 allows remote attackers to…
Priority MEDIUM 56CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
The ctl_getitem method in ntpd in ntp-4.2.8p6 before 4.2.8p11 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted mode 6 packet with a ntpd instance from 4.2.8p6 through 4.2.8p10.
Why it matters now
EPSS 0.28834 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:* | 4.2.8 p10 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:* | 4.2.8 p6 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:* | 4.2.8 p7 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:* | 4.2.8 p8 | Vulnerable | NTP Project |
| cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:* | 4.2.8 p9 | Vulnerable | NTP Project |
| cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* | 17.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 18.04 | Vulnerable | Canonical |
| cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
- cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:* Versions 4.2.8 p10 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:* Versions 4.2.8 p6 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:* Versions 4.2.8 p7 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:* Versions 4.2.8 p8 Vulnerable ·NTP Project
- cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:* Versions 4.2.8 p9 Vulnerable ·NTP Project
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
- cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2018-7182
- 2026-10-03 Alias added: GHSA-wjhm-mrg7-qc53
References
Exploit 1
Patch 1
Advisory 6
Sources
- CVE-2018-7182 · CVE Program
- CVE-2018-7182 · NVD
- FIRST EPSS
- GHSA-wjhm-mrg7-qc53 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-7182 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences