CVE-2026-27448 · cross-distro fix matrix

CVE-2026-27448: It was discovered that pyOpenSSL incorrectly handled exceptions in the

Affects 4 Linux releases across 13 (distro × package) combinations. First disclosed: 2026-05-28.

Fix per ecosystem

Each block below is a distro release where CVE-2026-27448 has a known fix. Run the listed command on that distro to remediate.

Ubuntu bionic

Source: Ubuntu USN

pyopenssl→ fixed in17.5.0-1ubuntu1+esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y pyopenssl
```
python-openssl→ fixed in17.5.0-1ubuntu1+esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python-openssl
```
python-openssl-doc→ fixed in17.5.0-1ubuntu1+esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python-openssl-doc
```
python3-openssl→ fixed in17.5.0-1ubuntu1+esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python3-openssl
```

Ubuntu focal

Source: Ubuntu USN

pyopenssl→ fixed in19.0.0-1ubuntu0.1~esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y pyopenssl
```
python-openssl→ fixed in19.0.0-1ubuntu0.1~esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python-openssl
```
python-openssl-doc→ fixed in19.0.0-1ubuntu0.1~esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python-openssl-doc
```
python3-openssl→ fixed in19.0.0-1ubuntu0.1~esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python3-openssl
```

Ubuntu xenial

Source: Ubuntu USN

pyopenssl→ fixed in0.15.1-2ubuntu0.2+esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y pyopenssl
```
python-openssl→ fixed in0.15.1-2ubuntu0.2+esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python-openssl
```
python-openssl-doc→ fixed in0.15.1-2ubuntu0.2+esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python-openssl-doc
```
python3-openssl→ fixed in0.15.1-2ubuntu0.2+esm1USN-8335-1
```
sudo apt-get install --only-upgrade -y python3-openssl
```

Alpine edge

Source: Alpine secdb

py3-openssl→ fixed in26.1.0-r0

apk update && apk add --upgrade py3-openssl

Are YOU affected by CVE-2026-27448?

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

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