StackPatch is liveSee product

Back to CVE digest
CVE-2021-32708 · cross-distro fix matrix

CVE-2021-32708: Flysystem is an open source file storage library for PHP. The whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely. The conditions are: A user is allowed to supply the pa

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-32708 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • php-league-flysystem→ fixed in1.1.3-4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y php-league-flysystem

Debian bookworm

Source: Debian Security Tracker

  • php-league-flysystem→ fixed in1.1.3-4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y php-league-flysystem

Debian trixie

Source: Debian Security Tracker

  • php-league-flysystem→ fixed in1.1.3-4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y php-league-flysystem
Are YOU affected by CVE-2021-32708?

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
Continuous monitoring beats manual checking

CVE-2021-32708dropped 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. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)