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[USN-8410-1] shell-quote vulnerability

Posted on 09 June 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8410-1
June 09, 2026

node-shell-quote vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 26.04 LTS
- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 18.04 LTS

Summary:

shell-quote could be made to crash or run programs as your login if it
received specially crafted input.

Software Description:
- node-shell-quote: Parse and quote shell commands

Details:

Akshat Sinha discovered that shell-quote improperly validated object-token
inputs. An attacker could possibly use this issue to cause shell-quote to
crash, resulting in a denial of service, or execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 26.04 LTS
node-shell-quote 1.8.3+~1.7.5-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 25.10
node-shell-quote 1.7.4+~1.7.1-1ubuntu0.25.10.1

Ubuntu 24.04 LTS
node-shell-quote 1.7.4+~1.7.1-1ubuntu0.24.04.1

Ubuntu 22.04 LTS
node-shell-quote 1.7.3+~1.7.1-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
node-shell-quote 1.6.1+20160617-git72fb5a8ce29b-1ubuntu0.1~esm1
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8410-1
CVE-2026-9277

Package Information:
https://launchpad.net/ubuntu/+source/node-shell-quote/1.7.4+~1.7.1-1ubuntu0.25.10.1
https://launchpad.net/ubuntu/+source/node-shell-quote/1.7.4+~1.7.1-1ubuntu0.24.04.1

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