CVE-2012-4929 · cross-distro fix matrix

CVE-2012-4929: The TLS protocol 1.2 and earlier, as used in Mozilla Firefox, Google Chrome, Qt, and other products, can encrypt compressed data without properly obfuscating the length of the unencrypted data, which allows man-in-the-middle attackers to obtain plaintext HTTP headers by observing length differences

Affects 3 Linux releases across 14 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2012-4929 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

apache2→ fixed in2.2.22-12urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y apache2
```
lighttpd→ fixed in1.4.30-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lighttpd
```
nginx→ fixed in1.2.1-2.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nginx
```

openssl→ fixed in1.0.1e-5urgency: low

sudo apt-get install --only-upgrade -y openssl

pound→ fixed in2.6-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pound
```

Debian bookworm

Source: Debian Security Tracker

apache2→ fixed in2.2.22-12urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y apache2
```
lighttpd→ fixed in1.4.30-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lighttpd
```
nginx→ fixed in1.2.1-2.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nginx
```

openssl→ fixed in1.0.1e-5urgency: low

sudo apt-get install --only-upgrade -y openssl

Debian trixie

Source: Debian Security Tracker

apache2→ fixed in2.2.22-12urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y apache2
```
lighttpd→ fixed in1.4.30-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lighttpd
```
nginx→ fixed in1.2.1-2.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nginx
```

openssl→ fixed in1.0.1e-5urgency: low

sudo apt-get install --only-upgrade -y openssl

pound→ fixed in2.6-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pound
```

Are YOU affected by CVE-2012-4929?

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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