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CVE-2023-49208 · cross-distro fix matrix

CVE-2023-49208: scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration.

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-49208 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • glewlwyd→ fixed in2.5.2-2+deb11u3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y glewlwyd

Debian bookworm

Source: Debian Security Tracker

  • glewlwyd→ fixed in2.7.5-3+deb12u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y glewlwyd

Debian trixie

Source: Debian Security Tracker

  • glewlwyd→ fixed in2.7.6+ds-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y glewlwyd
Are YOU affected by CVE-2023-49208?

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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