How many CVEs have patched concat?

2 published CVEs changed concat in patriksimek/vm2, in 1 distinct patches totalling 10 changed lines, between 2026 and 2026.

What is the latest CVE that changed concat?

CVE-2026-100723 (vm2 before 3.12.2 Memory Disclosure via zlib Buffer Pool), published 2026-09-27, changed lines 853 to 856 of lib/setup-sandbox.js.

How does concat compare to the rest of patriksimek/vm2?

patriksimek/vm2 has 51 CVEs with a located fix in total; 2 of them changed concat.

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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Concat

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Patched Functions
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Vm2
Concat

concat in patriksimek/vm2: Patched by 2 CVEs

patriksimek/vm2

Function

concat

Name: concat in patriksimek/vm2: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

lib/setup-sandbox.js

Last patched September 27, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

concat in patriksimek/vm2 was changed by 2 published CVE fixes in 2026, in 1 distinct patches that added or removed 10 lines in total.

patriksimek/vm2 has 51 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed concat, 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

vm2 before 3.12.2 Memory Disclosure via zlib Buffer Pool
CVE-2026-100723 · lines 853–856 · +4 −1
Medium · CVSS 6.9
EPSS 0.3%2026-09-27
vm2 before 3.11.7 Memory Disclosure via Buffer Pool
CVE-2026-92947 · lines 853–856 · +4 −1
Critical · CVSS 10.0
EPSS 0.5%2026-09-17

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1handleExceptionlib/setup-sandbox.js4 CVEs · 5 patches2026
2bufferFromlib/setup-sandbox.js2 CVEs · 2 patches2026
3isDangerousSymbollib/setup-sandbox.js2 CVEs · 2 patches2026
4readonlylib/setup-sandbox.js2 CVEs · 2 patches2023 to 2026
5bufferOflib/setup-sandbox.js2 CVEs · 1 patches2026
6getlib/setup-sandbox.js1 CVEs · 1 patches2023
7constructorlib/setup-sandbox.js1 CVEs · 1 patches2026
8identitylib/setup-sandbox.js1 CVEs · 1 patches2026

Other hotspots in the repository

Functions in patriksimek/vm2 changed by the most CVE fixes.

createBridge16 CVEs · lib/bridge.js handleException4 CVEs · lib/setup-sandbox.js isDangerousBuiltin3 CVEs · lib/builtin.js makeResolverFromLegacyOptions3 CVEs · lib/resolver-compat.js bufferFrom2 CVEs · lib/setup-sandbox.js addDefaultBuiltin2 CVEs · lib/builtin.js

All patched functions in patriksimek/vm2

Frequently asked questions

Common questions about CVE fixes to concat.

How many CVEs have patched concat?: 2 published CVEs changed concat in patriksimek/vm2, in 1 distinct patches totalling 10 changed lines, between 2026 and 2026.
What is the latest CVE that changed concat?: CVE-2026-100723 (vm2 before 3.12.2 Memory Disclosure via zlib Buffer Pool), published 2026-09-27, changed lines 853 to 856 of lib/setup-sandbox.js.
How does concat compare to the rest of patriksimek/vm2?: patriksimek/vm2 has 51 CVEs with a located fix in total; 2 of them changed concat.
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/setup-sandbox.js on GitHub (opens in a new tab)
All patched functions in patriksimek/vm2
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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