How many CVEs have patched JsonSax?

1 published CVEs changed JsonSax in Icinga/icinga2, in 3 distinct patches totalling 3 changed lines, between 2026 and 2026.

What is the latest CVE that changed JsonSax?

CVE-2026-61551 (Icinga 2: Stack overflow via deeply nested JSON objects), published 2026-09-18, changed lines 327 to 349 of lib/base/json.cpp.

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

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

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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JsonSax

JsonSax in Icinga/icinga2: Patched by 1 CVEs

Icinga/icinga2

Class

JsonSax

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

lib/base/json.cpp

Last patched September 18, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

JsonSax in Icinga/icinga2 was changed by 1 published CVE fixes in 2026, in 3 distinct patches that added or removed 3 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 JsonSax, newest first, with the lines each fix touched.

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

Icinga 2: Stack overflow via deeply nested JSON objects
CVE-2026-61551 · lines 327–349 · +3 −0 in 2 hunks
High · CVSS 8.6
EPSS 0.9%2026-09-18

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1JsonDecodelib/base/json.cpp1 CVEs · 3 patches2026
2start_arraylib/base/json.cpp1 CVEs · 3 patches2026
3start_objectlib/base/json.cpp1 CVEs · 3 patches2026
4CheckDepthLimitlib/base/json.cpp1 CVEs · 1 patches2026

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 JsonSax.

How many CVEs have patched JsonSax?: 1 published CVEs changed JsonSax in Icinga/icinga2, in 3 distinct patches totalling 3 changed lines, between 2026 and 2026.
What is the latest CVE that changed JsonSax?: CVE-2026-61551 (Icinga 2: Stack overflow via deeply nested JSON objects), published 2026-09-18, changed lines 327 to 349 of lib/base/json.cpp.
How does JsonSax compare to the rest of Icinga/icinga2?: Icinga/icinga2 has 13 CVEs with a located fix in total; 1 of them changed JsonSax.
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/base/json.cpp 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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