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CVE-2021-43518 · cross-distro fix matrix

CVE-2021-43518: Teeworlds up to and including 0.7.5 is vulnerable to Buffer Overflow. A map parser does not validate m_Channels value coming from a map file, leading to a buffer overflow. A malicious server may offer a specially crafted map that will overwrite client's stack causing denial of service or code execut

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-43518 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

  • teeworlds→ fixed in0.7.5-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y teeworlds

Debian trixie

Source: Debian Security Tracker

  • teeworlds→ fixed in0.7.5-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y teeworlds
Are YOU affected by CVE-2021-43518?

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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