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CVE-2020-35679 · cross-distro fix matrix

CVE-2020-35679: smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-35679 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • opensmtpd→ fixed in6.8.0p2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y opensmtpd

Debian bookworm

Source: Debian Security Tracker

  • opensmtpd→ fixed in6.8.0p2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y opensmtpd

Debian trixie

Source: Debian Security Tracker

  • opensmtpd→ fixed in6.8.0p2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y opensmtpd
Are YOU affected by CVE-2020-35679?

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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