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CVE-2020-9484 · cross-distro fix matrix

CVE-2020-9484: When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the Persistenc

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-9484 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • tomcat9→ fixed in9.0.35-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y tomcat9

Debian bookworm

Source: Debian Security Tracker

  • tomcat9→ fixed in9.0.35-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y tomcat9

Debian trixie

Source: Debian Security Tracker

  • tomcat9→ fixed in9.0.35-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y tomcat9
Are YOU affected by CVE-2020-9484?

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
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