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CVE-2013-4420 · cross-distro fix matrix

CVE-2013-4420: Multiple directory traversal vulnerabilities in the (1) tar_extract_glob and (2) tar_extract_all functions in libtar 1.2.20 and earlier allow remote attackers to overwrite arbitrary files via a .. (dot dot) in a crafted tar file.

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2013-4420 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libtar→ fixed in1.2.20-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libtar

Debian bookworm

Source: Debian Security Tracker

  • libtar→ fixed in1.2.20-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libtar
Are YOU affected by CVE-2013-4420?

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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