CVE-2026-27135 · cross-distro fix matrix

CVE-2026-27135: USN-8233-1 fixed a vulnerability in nghttp2. This update provides the

Affects 8 Linux releases across 50 (distro × package) combinations. First disclosed: 2026-05-05.

Fix per ecosystem

Each block below is a distro release where CVE-2026-27135 has a known fix. Run the listed command on that distro to remediate.

Ubuntu resolute

Source: Ubuntu USN

nghttp2→ fixed in1.68.0-2ubuntu0.1USN-8233-2

sudo apt-get install --only-upgrade -y nghttp2

libnghttp2-14→ fixed in1.68.0-2ubuntu0.1USN-8233-2

sudo apt-get install --only-upgrade -y libnghttp2-14

libnghttp2-dev→ fixed in1.68.0-2ubuntu0.1USN-8233-2

sudo apt-get install --only-upgrade -y libnghttp2-dev

libnghttp2-doc→ fixed in1.68.0-2ubuntu0.1USN-8233-2

sudo apt-get install --only-upgrade -y libnghttp2-doc

nghttp2-client→ fixed in1.68.0-2ubuntu0.1USN-8233-2

sudo apt-get install --only-upgrade -y nghttp2-client

nghttp2-proxy→ fixed in1.68.0-2ubuntu0.1USN-8233-2

sudo apt-get install --only-upgrade -y nghttp2-proxy

nghttp2-server→ fixed in1.68.0-2ubuntu0.1USN-8233-2

sudo apt-get install --only-upgrade -y nghttp2-server

Ubuntu bionic

Source: Ubuntu USN

nghttp2→ fixed in1.30.0-1ubuntu1+esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2
```
libnghttp2-14→ fixed in1.30.0-1ubuntu1+esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-14
```
libnghttp2-dev→ fixed in1.30.0-1ubuntu1+esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-dev
```
libnghttp2-doc→ fixed in1.30.0-1ubuntu1+esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-doc
```
nghttp2-client→ fixed in1.30.0-1ubuntu1+esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-client
```
nghttp2-proxy→ fixed in1.30.0-1ubuntu1+esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-proxy
```
nghttp2-server→ fixed in1.30.0-1ubuntu1+esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-server
```

Ubuntu focal

Source: Ubuntu USN

nghttp2→ fixed in1.40.0-1ubuntu0.3+esm1USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2
```
libnghttp2-14→ fixed in1.40.0-1ubuntu0.3+esm1USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-14
```
libnghttp2-dev→ fixed in1.40.0-1ubuntu0.3+esm1USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-dev
```
libnghttp2-doc→ fixed in1.40.0-1ubuntu0.3+esm1USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-doc
```
nghttp2-client→ fixed in1.40.0-1ubuntu0.3+esm1USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-client
```
nghttp2-proxy→ fixed in1.40.0-1ubuntu0.3+esm1USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-proxy
```
nghttp2-server→ fixed in1.40.0-1ubuntu0.3+esm1USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-server
```

Ubuntu jammy

Source: Ubuntu USN

nghttp2→ fixed in1.43.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y nghttp2

libnghttp2-14→ fixed in1.43.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y libnghttp2-14

libnghttp2-dev→ fixed in1.43.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y libnghttp2-dev

libnghttp2-doc→ fixed in1.43.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y libnghttp2-doc

nghttp2-client→ fixed in1.43.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y nghttp2-client

nghttp2-proxy→ fixed in1.43.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y nghttp2-proxy

nghttp2-server→ fixed in1.43.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y nghttp2-server

Ubuntu noble

Source: Ubuntu USN

nghttp2→ fixed in1.59.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y nghttp2

libnghttp2-14→ fixed in1.59.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y libnghttp2-14

libnghttp2-dev→ fixed in1.59.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y libnghttp2-dev

libnghttp2-doc→ fixed in1.59.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y libnghttp2-doc

nghttp2-client→ fixed in1.59.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y nghttp2-client

nghttp2-proxy→ fixed in1.59.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y nghttp2-proxy

nghttp2-server→ fixed in1.59.0-1ubuntu0.3USN-8233-1

sudo apt-get install --only-upgrade -y nghttp2-server

Ubuntu questing

Source: Ubuntu USN

nghttp2→ fixed in1.64.0-1.1ubuntu1.1USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2
```
libnghttp2-14→ fixed in1.64.0-1.1ubuntu1.1USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-14
```
libnghttp2-dev→ fixed in1.64.0-1.1ubuntu1.1USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-dev
```
libnghttp2-doc→ fixed in1.64.0-1.1ubuntu1.1USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-doc
```
nghttp2-client→ fixed in1.64.0-1.1ubuntu1.1USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-client
```
nghttp2-proxy→ fixed in1.64.0-1.1ubuntu1.1USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-proxy
```
nghttp2-server→ fixed in1.64.0-1.1ubuntu1.1USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-server
```

Ubuntu xenial

Source: Ubuntu USN

nghttp2→ fixed in1.7.1-1ubuntu0.1~esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2
```
libnghttp2-14→ fixed in1.7.1-1ubuntu0.1~esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-14
```
libnghttp2-dev→ fixed in1.7.1-1ubuntu0.1~esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-dev
```
libnghttp2-doc→ fixed in1.7.1-1ubuntu0.1~esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y libnghttp2-doc
```
nghttp2-client→ fixed in1.7.1-1ubuntu0.1~esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-client
```
nghttp2-proxy→ fixed in1.7.1-1ubuntu0.1~esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-proxy
```
nghttp2-server→ fixed in1.7.1-1ubuntu0.1~esm3USN-8233-1
```
sudo apt-get install --only-upgrade -y nghttp2-server
```

Debian bullseye

Source: Debian Security Tracker

nghttp2→ fixed in1.43.0-1+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nghttp2
```

Are YOU affected by CVE-2026-27135?

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-2026-27135dropped 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)