CVE-2026-27622 · cross-distro fix matrix

CVE-2026-27622: Quang Luong discovered that OpenEXR incorrectly handled sample count

Affects 6 Linux releases across 24 (distro × package) combinations. First disclosed: 2026-05-07.

Fix per ecosystem

Each block below is a distro release where CVE-2026-27622 has a known fix. Run the listed command on that distro to remediate.

Ubuntu bionic

Source: Ubuntu USN

openexr→ fixed in2.2.0-11.1ubuntu1.9+esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr
```
libopenexr-dev→ fixed in2.2.0-11.1ubuntu1.9+esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-dev
```
libopenexr22→ fixed in2.2.0-11.1ubuntu1.9+esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr22
```
openexr-doc→ fixed in2.2.0-11.1ubuntu1.9+esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr-doc
```

Ubuntu focal

Source: Ubuntu USN

openexr→ fixed in2.3.0-6ubuntu0.5+esm2USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr
```
libopenexr-dev→ fixed in2.3.0-6ubuntu0.5+esm2USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-dev
```
libopenexr24→ fixed in2.3.0-6ubuntu0.5+esm2USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr24
```
openexr-doc→ fixed in2.3.0-6ubuntu0.5+esm2USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr-doc
```

Ubuntu jammy

Source: Ubuntu USN

openexr→ fixed in2.5.7-1ubuntu0.1~esm2USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr
```
libopenexr-dev→ fixed in2.5.7-1ubuntu0.1~esm2USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-dev
```
libopenexr25→ fixed in2.5.7-1ubuntu0.1~esm2USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr25
```
openexr-doc→ fixed in2.5.7-1ubuntu0.1~esm2USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr-doc
```

Ubuntu noble

Source: Ubuntu USN

openexr→ fixed in3.1.5-5.1ubuntu0.1~esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr
```
libopenexr-3-1-30→ fixed in3.1.5-5.1ubuntu0.1~esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-3-1-30
```
libopenexr-dev→ fixed in3.1.5-5.1ubuntu0.1~esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-dev
```
libopenexr-doc→ fixed in3.1.5-5.1ubuntu0.1~esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-doc
```

Ubuntu resolute

Source: Ubuntu USN

openexr→ fixed in3.1.13-2ubuntu0.26.04.1~esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr
```
libopenexr-3-1-30→ fixed in3.1.13-2ubuntu0.26.04.1~esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-3-1-30
```
libopenexr-dev→ fixed in3.1.13-2ubuntu0.26.04.1~esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-dev
```
libopenexr-doc→ fixed in3.1.13-2ubuntu0.26.04.1~esm1USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-doc
```

Ubuntu xenial

Source: Ubuntu USN

openexr→ fixed in2.2.0-10ubuntu2.6+esm4USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr
```
libopenexr-dev→ fixed in2.2.0-10ubuntu2.6+esm4USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr-dev
```
libopenexr22→ fixed in2.2.0-10ubuntu2.6+esm4USN-8259-1
```
sudo apt-get install --only-upgrade -y libopenexr22
```
openexr-doc→ fixed in2.2.0-10ubuntu2.6+esm4USN-8259-1
```
sudo apt-get install --only-upgrade -y openexr-doc
```

Are YOU affected by CVE-2026-27622?

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