CVE-2026-39979 · cross-distro fix matrix

CVE-2026-39979: USN-8202-1 fixed vulnerabilities in jq. This update provides the

Affects 8 Linux releases across 20 (distro × package) combinations. First disclosed: 2026-04-23.

Fix per ecosystem

Each block below is a distro release where CVE-2026-39979 has a known fix. Run the listed command on that distro to remediate.

Ubuntu resolute

Source: Ubuntu USN

jq→ fixed in1.8.1-4ubuntu2USN-8202-2

sudo apt-get install --only-upgrade -y jq

libjq-dev→ fixed in1.8.1-4ubuntu2USN-8202-2

sudo apt-get install --only-upgrade -y libjq-dev

libjq1→ fixed in1.8.1-4ubuntu2USN-8202-2

sudo apt-get install --only-upgrade -y libjq1

Ubuntu bionic

Source: Ubuntu USN

jq→ fixed in1.5+dfsg-2ubuntu0.1~esm2USN-8202-1
```
sudo apt-get install --only-upgrade -y jq
```
libjq-dev→ fixed in1.5+dfsg-2ubuntu0.1~esm2USN-8202-1
```
sudo apt-get install --only-upgrade -y libjq-dev
```
libjq1→ fixed in1.5+dfsg-2ubuntu0.1~esm2USN-8202-1
```
sudo apt-get install --only-upgrade -y libjq1
```

Ubuntu focal

Source: Ubuntu USN

jq→ fixed in1.6-1ubuntu0.20.04.1+esm2USN-8202-1
```
sudo apt-get install --only-upgrade -y jq
```
libjq-dev→ fixed in1.6-1ubuntu0.20.04.1+esm2USN-8202-1
```
sudo apt-get install --only-upgrade -y libjq-dev
```
libjq1→ fixed in1.6-1ubuntu0.20.04.1+esm2USN-8202-1
```
sudo apt-get install --only-upgrade -y libjq1
```

Ubuntu jammy

Source: Ubuntu USN

jq→ fixed in1.6-2.1ubuntu3.2USN-8202-1

sudo apt-get install --only-upgrade -y jq

libjq-dev→ fixed in1.6-2.1ubuntu3.2USN-8202-1

sudo apt-get install --only-upgrade -y libjq-dev

libjq1→ fixed in1.6-2.1ubuntu3.2USN-8202-1

sudo apt-get install --only-upgrade -y libjq1

Ubuntu noble

Source: Ubuntu USN

jq→ fixed in1.7.1-3ubuntu0.24.04.2USN-8202-1
```
sudo apt-get install --only-upgrade -y jq
```
libjq-dev→ fixed in1.7.1-3ubuntu0.24.04.2USN-8202-1
```
sudo apt-get install --only-upgrade -y libjq-dev
```
libjq1→ fixed in1.7.1-3ubuntu0.24.04.2USN-8202-1
```
sudo apt-get install --only-upgrade -y libjq1
```

Ubuntu questing

Source: Ubuntu USN

jq→ fixed in1.8.1-3ubuntu1.1USN-8202-1

sudo apt-get install --only-upgrade -y jq

libjq-dev→ fixed in1.8.1-3ubuntu1.1USN-8202-1

sudo apt-get install --only-upgrade -y libjq-dev

libjq1→ fixed in1.8.1-3ubuntu1.1USN-8202-1

sudo apt-get install --only-upgrade -y libjq1

Ubuntu trusty

Source: Ubuntu USN

jq→ fixed in1.3-1.1ubuntu1.1+esm4USN-8202-1
```
sudo apt-get install --only-upgrade -y jq
```

Ubuntu xenial

Source: Ubuntu USN

jq→ fixed in1.5+dfsg-1ubuntu0.1+esm4USN-8202-1
```
sudo apt-get install --only-upgrade -y jq
```

Are YOU affected by CVE-2026-39979?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2026-39979dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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