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CVE-2021-44847 · cross-distro fix matrix

CVE-2021-44847: A stack-based buffer overflow in handle_request function in DHT.c in toxcore 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12 (caused by an improper length calculation during the handling of received network packets) allows remote attackers to crash the process or potentially execute arbitrary code via

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-44847 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

  • libtoxcore→ fixed in0.2.13-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libtoxcore

Debian trixie

Source: Debian Security Tracker

  • libtoxcore→ fixed in0.2.13-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libtoxcore
Are YOU affected by CVE-2021-44847?

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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