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CVE-2009-3024 · cross-distro fix matrix

CVE-2009-3024: The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-3024 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libio-socket-ssl-perl→ fixed in1.30-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libio-socket-ssl-perl

Debian bookworm

Source: Debian Security Tracker

  • libio-socket-ssl-perl→ fixed in1.30-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libio-socket-ssl-perl

Debian trixie

Source: Debian Security Tracker

  • libio-socket-ssl-perl→ fixed in1.30-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libio-socket-ssl-perl
Are YOU affected by CVE-2009-3024?

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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