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TI-2015-06527 Aliases CVE-2015-7853GHSA-m46c-h6cr-xhm7

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x…

Priority MEDIUM 56CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.

Why it matters now

EPSS 0.11781 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 23

CPEVersionsRoleVendor
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*4.2.0 to before 4.2.8; 4.3.0 to before 4.3.77VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*4.2.8VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*4.2.8 p1VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*4.2.8 p1-beta1VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*4.2.8 p1-beta2VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*4.2.8 p1-beta3VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*4.2.8 p1-beta4VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*4.2.8 p1-beta5VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*4.2.8 p1-rc1VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*4.2.8 p1-rc2VulnerableNTP Project
  • cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* Versions 4.2.0 to before 4.2.8; 4.3.0 to before 4.3.77 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* Versions 4.2.8 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* Versions 4.2.8 p1 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* Versions 4.2.8 p1-beta1 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* Versions 4.2.8 p1-beta2 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* Versions 4.2.8 p1-beta3 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* Versions 4.2.8 p1-beta4 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* Versions 4.2.8 p1-beta5 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* Versions 4.2.8 p1-rc1 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* Versions 4.2.8 p1-rc2 Vulnerable ·NTP Project
Show 13 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*4.2.8 p2VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*4.2.8 p2-rc1VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*4.2.8 p2-rc2VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*4.2.8 p2-rc3VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*4.2.8 p3VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*4.2.8 p3-rc1VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*4.2.8 p3-rc2VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*4.2.8 p3-rc3VulnerableNTP Project
cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:clustered_data_ontap:*:*not specified by NVDVulnerableNetApp
cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* Versions 4.2.8 p2 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* Versions 4.2.8 p2-rc1 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* Versions 4.2.8 p2-rc2 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* Versions 4.2.8 p2-rc3 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* Versions 4.2.8 p3 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* Versions 4.2.8 p3-rc1 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* Versions 4.2.8 p3-rc2 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* Versions 4.2.8 p3-rc3 Vulnerable ·NTP Project
  • cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:clustered_data_ontap:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:* 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 →

Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-7853
  2. 2026-10-03 Alias added: GHSA-m46c-h6cr-xhm7

References

Patch 1

Advisory 11

Other 6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences