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CVE-2013-6462 · cross-distro fix matrix

CVE-2013-6462: Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.

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

Elevated exploitation risk

FIRST EPSS puts CVE-2013-6462's probability of exploitation in the next 30 days at 10% (95th percentile of all CVEs)— well above the noise floor. Prioritize it.

EPSS:10% · 30-day exploit probability95th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2013-6462 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libxfont→ fixed in1:1.4.7-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libxfont

Debian bookworm

Source: Debian Security Tracker

  • libxfont→ fixed in1:1.4.7-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libxfont

Debian trixie

Source: Debian Security Tracker

  • libxfont→ fixed in1:1.4.7-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libxfont
Are YOU affected by CVE-2013-6462?

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

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