CVE-2026-40489 · cross-distro fix matrix

CVE-2026-40489: USN-8238-1 fixed a vulnerability in EditorConfig. This update contains the

Affects 8 Linux releases across 36 (distro × package) combinations. First disclosed: 2026-05-06.

Fix per ecosystem

Each block below is a distro release where CVE-2026-40489 has a known fix. Run the listed command on that distro to remediate.

Ubuntu bionic

Source: Ubuntu USN

editorconfig-core→ fixed in0.12.1-1.1ubuntu0.18.04.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig-core
```
editorconfig→ fixed in0.12.1-1.1ubuntu0.18.04.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig
```
editorconfig-doc→ fixed in0.12.1-1.1ubuntu0.18.04.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig-doc
```
libeditorconfig-dev→ fixed in0.12.1-1.1ubuntu0.18.04.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y libeditorconfig-dev
```
libeditorconfig0→ fixed in0.12.1-1.1ubuntu0.18.04.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y libeditorconfig0
```

Ubuntu focal

Source: Ubuntu USN

editorconfig-core→ fixed in0.12.1-1.1+deb11u1ubuntu0.1~esm1USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig-core
```
editorconfig→ fixed in0.12.1-1.1+deb11u1ubuntu0.1~esm1USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig
```
editorconfig-doc→ fixed in0.12.1-1.1+deb11u1ubuntu0.1~esm1USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig-doc
```
libeditorconfig-dev→ fixed in0.12.1-1.1+deb11u1ubuntu0.1~esm1USN-8238-2
```
sudo apt-get install --only-upgrade -y libeditorconfig-dev
```
libeditorconfig0→ fixed in0.12.1-1.1+deb11u1ubuntu0.1~esm1USN-8238-2
```
sudo apt-get install --only-upgrade -y libeditorconfig0
```

Ubuntu jammy

Source: Ubuntu USN

editorconfig-core→ fixed in0.12.5-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig-core
```
editorconfig→ fixed in0.12.5-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig
```
editorconfig-doc→ fixed in0.12.5-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig-doc
```
libeditorconfig-dev→ fixed in0.12.5-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y libeditorconfig-dev
```
libeditorconfig0→ fixed in0.12.5-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y libeditorconfig0
```

Ubuntu xenial

Source: Ubuntu USN

editorconfig-core→ fixed in0.12.0-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig-core
```
editorconfig→ fixed in0.12.0-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig
```
editorconfig-doc→ fixed in0.12.0-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y editorconfig-doc
```
libeditorconfig-dev→ fixed in0.12.0-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y libeditorconfig-dev
```
libeditorconfig0→ fixed in0.12.0-2ubuntu0.1~esm3USN-8238-2
```
sudo apt-get install --only-upgrade -y libeditorconfig0
```

Ubuntu noble

Source: Ubuntu USN

editorconfig-core→ fixed in0.12.7-0.1ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig-core
```
editorconfig→ fixed in0.12.7-0.1ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig
```
editorconfig-doc→ fixed in0.12.7-0.1ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig-doc
```
libeditorconfig-dev→ fixed in0.12.7-0.1ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y libeditorconfig-dev
```
libeditorconfig0→ fixed in0.12.7-0.1ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y libeditorconfig0
```

Ubuntu questing

Source: Ubuntu USN

editorconfig-core→ fixed in0.12.9+~0.17.1-1ubuntu2.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig-core
```
editorconfig→ fixed in0.12.9+~0.17.1-1ubuntu2.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig
```
editorconfig-doc→ fixed in0.12.9+~0.17.1-1ubuntu2.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig-doc
```
libeditorconfig-dev→ fixed in0.12.9+~0.17.1-1ubuntu2.1USN-8238-1
```
sudo apt-get install --only-upgrade -y libeditorconfig-dev
```
libeditorconfig0→ fixed in0.12.9+~0.17.1-1ubuntu2.1USN-8238-1
```
sudo apt-get install --only-upgrade -y libeditorconfig0
```

Ubuntu resolute

Source: Ubuntu USN

editorconfig-core→ fixed in0.12.10+~0.17.1-3ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig-core
```
editorconfig→ fixed in0.12.10+~0.17.1-3ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig
```
editorconfig-doc→ fixed in0.12.10+~0.17.1-3ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y editorconfig-doc
```
libeditorconfig-dev→ fixed in0.12.10+~0.17.1-3ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y libeditorconfig-dev
```
libeditorconfig0→ fixed in0.12.10+~0.17.1-3ubuntu0.1USN-8238-1
```
sudo apt-get install --only-upgrade -y libeditorconfig0
```

Alpine edge

Source: Alpine secdb

editorconfig→ fixed in0.12.11-r0

apk update && apk add --upgrade editorconfig

Are YOU affected by CVE-2026-40489?

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