CVE-2026-41284 · cross-distro fix matrix

CVE-2026-41284: It was discovered that Tomcat did not properly limit the size of

Affects 6 Linux releases across 50 (distro × package) combinations. First disclosed: 2026-05-12.

CVSS v3:HIGH · 7.5(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-41284 has a known fix. Run the listed command on that distro to remediate.

Ubuntu bionic

Source: Ubuntu USN

tomcat9→ fixed in9.0.16-3ubuntu0.18.04.2+esm8USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9
```
libtomcat9-embed-java→ fixed in9.0.16-3ubuntu0.18.04.2+esm8USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat9-embed-java
```
libtomcat9-java→ fixed in9.0.16-3ubuntu0.18.04.2+esm8USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat9-java
```
tomcat9-admin→ fixed in9.0.16-3ubuntu0.18.04.2+esm8USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-admin
```
tomcat9-common→ fixed in9.0.16-3ubuntu0.18.04.2+esm8USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-common
```
tomcat9-docs→ fixed in9.0.16-3ubuntu0.18.04.2+esm8USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-docs
```
tomcat9-examples→ fixed in9.0.16-3ubuntu0.18.04.2+esm8USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-examples
```
tomcat9-user→ fixed in9.0.16-3ubuntu0.18.04.2+esm8USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-user
```

Ubuntu focal

Source: Ubuntu USN

tomcat9→ fixed in9.0.31-1ubuntu0.9+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9
```
libtomcat9-embed-java→ fixed in9.0.31-1ubuntu0.9+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat9-embed-java
```
libtomcat9-java→ fixed in9.0.31-1ubuntu0.9+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat9-java
```
tomcat9-admin→ fixed in9.0.31-1ubuntu0.9+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-admin
```
tomcat9-common→ fixed in9.0.31-1ubuntu0.9+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-common
```
tomcat9-docs→ fixed in9.0.31-1ubuntu0.9+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-docs
```
tomcat9-examples→ fixed in9.0.31-1ubuntu0.9+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-examples
```
tomcat9-user→ fixed in9.0.31-1ubuntu0.9+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-user
```

Ubuntu jammy

Source: Ubuntu USN

tomcat9→ fixed in9.0.58-1ubuntu0.2+esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9
```
libtomcat9-embed-java→ fixed in9.0.58-1ubuntu0.2+esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat9-embed-java
```
libtomcat9-java→ fixed in9.0.58-1ubuntu0.2+esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat9-java
```
tomcat9-admin→ fixed in9.0.58-1ubuntu0.2+esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-admin
```
tomcat9-common→ fixed in9.0.58-1ubuntu0.2+esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-common
```
tomcat9-docs→ fixed in9.0.58-1ubuntu0.2+esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-docs
```
tomcat9-examples→ fixed in9.0.58-1ubuntu0.2+esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-examples
```
tomcat9-user→ fixed in9.0.58-1ubuntu0.2+esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9-user
```

Ubuntu noble

Source: Ubuntu USN

tomcat10→ fixed in10.1.16-1ubuntu0.1~esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10
```
tomcat9→ fixed in9.0.70-2ubuntu0.1+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9
```
libtomcat10-embed-java→ fixed in10.1.16-1ubuntu0.1~esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat10-embed-java
```
libtomcat10-java→ fixed in10.1.16-1ubuntu0.1~esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat10-java
```
libtomcat9-java→ fixed in9.0.70-2ubuntu0.1+esm3USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat9-java
```
tomcat10-admin→ fixed in10.1.16-1ubuntu0.1~esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-admin
```
tomcat10-common→ fixed in10.1.16-1ubuntu0.1~esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-common
```
tomcat10-docs→ fixed in10.1.16-1ubuntu0.1~esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-docs
```
tomcat10-examples→ fixed in10.1.16-1ubuntu0.1~esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-examples
```
tomcat10-user→ fixed in10.1.16-1ubuntu0.1~esm4USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-user
```

Ubuntu questing

Source: Ubuntu USN

tomcat10→ fixed in10.1.40-1ubuntu1.25.10.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10
```

tomcat9→ fixed in9.0.95-1ubuntu1.1USN-8417-1

sudo apt-get install --only-upgrade -y tomcat9

libtomcat10-embed-java→ fixed in10.1.40-1ubuntu1.25.10.1USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat10-embed-java
```
libtomcat10-java→ fixed in10.1.40-1ubuntu1.25.10.1USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat10-java
```

libtomcat9-java→ fixed in9.0.95-1ubuntu1.1USN-8417-1

sudo apt-get install --only-upgrade -y libtomcat9-java

tomcat10-admin→ fixed in10.1.40-1ubuntu1.25.10.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-admin
```
tomcat10-common→ fixed in10.1.40-1ubuntu1.25.10.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-common
```
tomcat10-docs→ fixed in10.1.40-1ubuntu1.25.10.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-docs
```
tomcat10-examples→ fixed in10.1.40-1ubuntu1.25.10.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-examples
```
tomcat10-user→ fixed in10.1.40-1ubuntu1.25.10.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-user
```

Ubuntu resolute

Source: Ubuntu USN

tomcat10→ fixed in10.1.40-1ubuntu1.26.04.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10
```
tomcat9→ fixed in9.0.115-1ubuntu0.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat9
```
libtomcat10-embed-java→ fixed in10.1.40-1ubuntu1.26.04.1USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat10-embed-java
```
libtomcat10-java→ fixed in10.1.40-1ubuntu1.26.04.1USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat10-java
```
libtomcat9-java→ fixed in9.0.115-1ubuntu0.1USN-8417-1
```
sudo apt-get install --only-upgrade -y libtomcat9-java
```
tomcat10-admin→ fixed in10.1.40-1ubuntu1.26.04.1USN-8417-1
```
sudo apt-get install --only-upgrade -y tomcat10-admin
```

Are YOU affected by CVE-2026-41284?

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-2026-41284dropped 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. From $9/mo, 14-day free trial, cancel anytime.

See StackPatch (from $9/mo)