CVE-2026-32935 · cross-distro fix matrix

CVE-2026-32935: phpseclib is a PHP secure communications library. Projects using versions 1.0.26 and below, 2.0.0 through 2.0.51, and 3.0.0 through 3.0.49 are vulnerable to a to padding oracle timing attack when using AES in CBC mode. This issue has been fixed in versions 1.0.27, 2.0.52 and 3.0.50.

Affects 3 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-32935 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

phpseclib→ fixed in1.0.19-3+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y phpseclib
```

Debian bookworm

Source: Debian Security Tracker

php-phpseclib→ fixed in2.0.42-1+deb12u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php-phpseclib
```
php-phpseclib3→ fixed in3.0.19-1+deb12u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php-phpseclib3
```
phpseclib→ fixed in1.0.20-1+deb12u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y phpseclib
```

Debian trixie

Source: Debian Security Tracker

php-phpseclib→ fixed in2.0.48-3+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php-phpseclib
```
php-phpseclib3→ fixed in3.0.43-2+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php-phpseclib3
```
phpseclib→ fixed in1.0.23-6+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y phpseclib
```

Are YOU affected by CVE-2026-32935?

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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