Unrated severityNVD Advisory· Published Oct 16, 2025· Updated Oct 16, 2025
Icinga 2 Denial of Service (DoS) By Dereferencing Invalid Reference
CVE-2025-61908
Description
Icinga 2 is an open source monitoring system. From 2.10.0 to before 2.15.1, 2.14.7, and 2.13.13, when creating an invalid reference, such as a reference to null, dereferencing results in a segmentation fault. This can be used by any API user with access to an API endpoint that allows specifying a filter expression to crash the Icinga 2 daemon. A fix is included in the following Icinga 2 versions: 2.15.1, 2.14.7, and 2.13.13.
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Affected products
2Patches
Vulnerability mechanics
References
3- github.com/Icinga/icinga2/pull/6521mitrex_refsource_MISC
- github.com/Icinga/icinga2/security/advisories/GHSA-v9jg-xqhj-f43gmitrex_refsource_CONFIRM
- icinga.com/blog/releasing-icinga-2-v2-15-1-2-14-7-and-2-13-13-and-icinga-db-web-v1-2-3-and-1-1-4mitrex_refsource_MISC
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