How many CVEs have patched DerefExpression?

1 published CVEs changed DerefExpression in Icinga/icinga2, in 1 distinct patches totalling 23 changed lines, between 2025 and 2025.

What is the latest CVE that changed DerefExpression?

CVE-2025-61908 (Icinga 2 Denial of Service (DoS) By Dereferencing Invalid Reference), published 2025-10-16, changed lines 327 to 349 of lib/config/expression.hpp.

How does DerefExpression compare to the rest of Icinga/icinga2?

Icinga/icinga2 has 13 CVEs with a located fix in total; 1 of them changed DerefExpression.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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DerefExpression

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Patched Functions
Icinga
Icinga2
DerefExpression

DerefExpression in Icinga/icinga2: Patched by 1 CVEs

Icinga/icinga2

Class

DerefExpression

Name: DerefExpression in Icinga/icinga2: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

lib/config/expression.hpp

Last patched October 16, 2025

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

DerefExpression in Icinga/icinga2 was changed by 1 published CVE fixes in 2025, in 1 distinct patches that added or removed 23 lines in total.

Icinga/icinga2 has 13 CVEs with a located fix in total, so 8% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed DerefExpression, newest first, with the lines each fix touched.

Icinga 2 Denial of Service (DoS) By Dereferencing Invalid Reference
CVE-2025-61908 · lines 327–349 · +23 −0
High · CVSS 7.1
EPSS 0.5%2025-10-16

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Other hotspots in the repository

Functions in Icinga/icinga2 changed by the most CVE fixes.

EmitScope2 CVEs · lib/base/configwriter.cpp NewClientHandlerInternal2 CVEs · lib/remote/apilistener.cpp ProcessMessageAsync2 CVEs · lib/remote/httpserverconnection.cpp DoEvaluate2 CVEs · lib/config/expression.cpp VerifyCertificate1 CVEs · lib/base/tlsutility.cpp EmitConfigItem1 CVEs · lib/base/configwriter.hpp

All patched functions in Icinga/icinga2

Frequently asked questions

Common questions about CVE fixes to DerefExpression.

How many CVEs have patched DerefExpression?: 1 published CVEs changed DerefExpression in Icinga/icinga2, in 1 distinct patches totalling 23 changed lines, between 2025 and 2025.
What is the latest CVE that changed DerefExpression?: CVE-2025-61908 (Icinga 2 Denial of Service (DoS) By Dereferencing Invalid Reference), published 2025-10-16, changed lines 327 to 349 of lib/config/expression.hpp.
How does DerefExpression compare to the rest of Icinga/icinga2?: Icinga/icinga2 has 13 CVEs with a located fix in total; 1 of them changed DerefExpression.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

lib/config/expression.hpp on GitHub (opens in a new tab)
All patched functions in Icinga/icinga2
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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Overview
CVEs that patched it
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