CVE-2019-13377 · cross-distro fix matrix

CVE-2019-13377: The implementations of SAE and EAP-pwd in hostapd and wpa_supplicant 2.x through 2.8 are vulnerable to side-channel attacks as a result of observable timing differences and cache access patterns when Brainpool curves are used. An attacker may be able to gain leaked information from a side-channel at

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-13377 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

wpa→ fixed in2:2.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wpa
```

Debian bookworm

Source: Debian Security Tracker

wpa→ fixed in2:2.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wpa
```

Debian trixie

Source: Debian Security Tracker

wpa→ fixed in2:2.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wpa
```

Are YOU affected by CVE-2019-13377?

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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