CVE-2018-9988 · cross-distro fix matrix

CVE-2018-9988: ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_key_exchange() that could cause a crash on invalid input.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-9988 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

mbedtls→ fixed in2.8.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mbedtls
```

Debian bookworm

Source: Debian Security Tracker

mbedtls→ fixed in2.8.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mbedtls
```

Debian trixie

Source: Debian Security Tracker

mbedtls→ fixed in2.8.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mbedtls
```

Are YOU affected by CVE-2018-9988?

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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