StackPatch is liveSee product

Back to CVE digest
CVE-2020-7212 · cross-distro fix matrix

CVE-2020-7212: The _encode_invalid_chars function in util/url.py in the urllib3 library 1.25.2 through 1.25.7 for Python allows a denial of service (CPU consumption) because of an inefficient algorithm. The percent_encodings array contains all matches of percent encodings. It is not deduplicated. For a URL of leng

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-7212 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • python-urllib3→ fixed in1.25.8-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y python-urllib3

Debian bookworm

Source: Debian Security Tracker

  • python-urllib3→ fixed in1.25.8-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y python-urllib3

Debian trixie

Source: Debian Security Tracker

  • python-urllib3→ fixed in1.25.8-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y python-urllib3
Are YOU affected by CVE-2020-7212?

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-2020-7212dropped 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)