CVE-2026-22016 · cross-distro fix matrix

CVE-2026-22016: Thomas Beckers discovered that the JAXP component of OpenJDK 21 did not

Affects 5 Linux releases across 50 (distro × package) combinations. First disclosed: 2026-05-28.

Fix per ecosystem

Each block below is a distro release where CVE-2026-22016 has a known fix. Run the listed command on that distro to remediate.

Ubuntu focal

Source: Ubuntu USN

openjdk-21→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21
```
openjdk-21-demo→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-demo
```
openjdk-21-doc→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-doc
```
openjdk-21-jdk→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk
```
openjdk-21-jdk-headless→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk-headless
```
openjdk-21-jre→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre
```
openjdk-21-jre-headless→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-headless
```
openjdk-21-jre-zero→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-zero
```
openjdk-21-source→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-source
```
openjdk-21-testsupport→ fixed in21.0.11+10-1~20.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-testsupport
```

Ubuntu jammy

Source: Ubuntu USN

openjdk-21→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21
```
openjdk-21-demo→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-demo
```
openjdk-21-doc→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-doc
```
openjdk-21-jdk→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk
```
openjdk-21-jdk-headless→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk-headless
```
openjdk-21-jre→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre
```
openjdk-21-jre-headless→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-headless
```
openjdk-21-jre-zero→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-zero
```
openjdk-21-source→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-source
```
openjdk-21-testsupport→ fixed in21.0.11+10-1~22.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-testsupport
```

Ubuntu noble

Source: Ubuntu USN

openjdk-21→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21
```
openjdk-21-demo→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-demo
```
openjdk-21-doc→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-doc
```
openjdk-21-jdk→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk
```
openjdk-21-jdk-headless→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk-headless
```
openjdk-21-jre→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre
```
openjdk-21-jre-headless→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-headless
```
openjdk-21-jre-zero→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-zero
```
openjdk-21-source→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-source
```
openjdk-21-testsupport→ fixed in21.0.11+10-1~24.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-testsupport
```

Ubuntu questing

Source: Ubuntu USN

openjdk-21→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21
```
openjdk-21-demo→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-demo
```
openjdk-21-doc→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-doc
```
openjdk-21-jdk→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk
```
openjdk-21-jdk-headless→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk-headless
```
openjdk-21-jre→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre
```
openjdk-21-jre-headless→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-headless
```
openjdk-21-jre-zero→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-zero
```
openjdk-21-source→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-source
```
openjdk-21-testsupport→ fixed in21.0.11+10-1~25.10.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-testsupport
```

Ubuntu resolute

Source: Ubuntu USN

openjdk-21→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21
```
openjdk-21-demo→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-demo
```
openjdk-21-doc→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-doc
```
openjdk-21-jdk→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk
```
openjdk-21-jdk-headless→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jdk-headless
```
openjdk-21-jre→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre
```
openjdk-21-jre-headless→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-headless
```
openjdk-21-jre-zero→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-jre-zero
```
openjdk-21-source→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-source
```
openjdk-21-testsupport→ fixed in21.0.11+10-1~26.04.2USN-8328-1
```
sudo apt-get install --only-upgrade -y openjdk-21-testsupport
```

Are YOU affected by CVE-2026-22016?

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