CVE-2013-2125 · cross-distro fix matrix

CVE-2013-2125: OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.

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

Fix per ecosystem

Each block below is a distro release where CVE-2013-2125 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

opensmtpd→ fixed in5.3.3p1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y opensmtpd
```

Debian bookworm

Source: Debian Security Tracker

opensmtpd→ fixed in5.3.3p1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y opensmtpd
```

Debian trixie

Source: Debian Security Tracker

opensmtpd→ fixed in5.3.3p1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y opensmtpd
```

Are YOU affected by CVE-2013-2125?

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.

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