1. Ubuntu Security Notices
  2. USN-4787-1

USN-4787-1: jq vulnerability

Publication date

15 March 2021

Overview

jq could be made to crash if it received specially crafted input.

Releases

Packages

  • jq - lightweight and flexible command-line JSON processor

Details

It was discovered that jq did not perform sufficient bounds checking,
resulting in unbounded resource consumption. An attacker could use this
vulnerability to cause a denial of service.

It was discovered that jq did not perform sufficient bounds checking,
resulting in unbounded resource consumption. An attacker could use this
vulnerability to cause a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial jq –  1.5+dfsg-1ubuntu0.1+esm2  
14.04 trusty jq –  1.3-1.1ubuntu1.1+esm3  

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References

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