Segmentation Fault Vulnerability in Icinga 2 Monitoring System
CVE-2025-61908

7.1HIGH

Key Information:

Vendor

Icinga

Status
Icinga2
Vendor
CVE Published:
16 October 2025

What is CVE-2025-61908?

Icinga 2, an open-source monitoring system, is susceptible to a segmentation fault due to invalid reference handling. Specifically, when users with API access create a filter expression that references a null pointer, it leads to a crash of the Icinga 2 daemon. This issue affects Icinga 2 versions from 2.10.0 to just before 2.15.1, including versions 2.14.7 and 2.13.13. To mitigate this vulnerability, updates have been released in Icinga 2 versions 2.15.1, 2.14.7, and 2.13.13.

Affected Version(s)

icinga2 >=2.10.0, < 2.13.13 < 2.10.0, 2.13.13

icinga2 >=2.14.0, < 2.14.7 < 2.14.0, 2.14.7

icinga2 >=2.15.0, < 2.15.1 < 2.15.0, 2.15.1

References

https://github.com/Icinga/icinga2/security/advisories/GHS...
x_refsource_CONFIRM
https://github.com/Icinga/icinga2/pull/6521
x_refsource_MISC
https://icinga.com/blog/releasing-icinga-2-v2-15-1-2-14-7...
x_refsource_MISC

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-61908 : Segmentation Fault Vulnerability in Icinga 2 Monitoring System