[USN-7693-1] qs vulnerability

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Ubuntu Security Notice USN-7693-1
August 14, 2025

node-qs vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

qs could be made to crash if it received specially crafted network
traffic.

Software Description:
- node-qs: A querystring parsing and stringifying library

Details:

Nathanael Braun and Johan Brissaud discovered that qs was vulnerable
to prototype pollution. A remote attacker could possibly use this issue
to cause a denial of service.

Update instructions:

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

Ubuntu 20.04 LTS
node-qs 6.9.1+ds-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-7693-1
CVE-2022-24999