CVE-2020-15664 · cross-distro fix matrix

CVE-2020-15664: By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with user confusion, this could result in an unintended or malicious extensi

Affects 8 Linux releases across 16 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-15664 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

firefox-esr→ fixed in68.12.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
thunderbird→ fixed in1:68.12.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Debian bookworm

Source: Debian Security Tracker

firefox-esr→ fixed in68.12.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
thunderbird→ fixed in1:68.12.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Debian trixie

Source: Debian Security Tracker

firefox-esr→ fixed in68.12.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
thunderbird→ fixed in1:68.12.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Alpine v3.20

Source: Alpine secdb

firefox-esr→ fixed in78.2.0-r0

apk update && apk add --upgrade firefox-esr

firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```

Alpine v3.21

Source: Alpine secdb

firefox-esr→ fixed in78.2.0-r0

apk update && apk add --upgrade firefox-esr

firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```

librewolf→ fixed in80.0-r0

apk update && apk add --upgrade librewolf

Alpine edge

Source: Alpine secdb

librewolf→ fixed in80.0-r0

apk update && apk add --upgrade librewolf

Alpine v3.18

Source: Alpine secdb

firefox-esr→ fixed in78.2.0-r0

apk update && apk add --upgrade firefox-esr

firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```

Alpine v3.19

Source: Alpine secdb

firefox-esr→ fixed in78.2.0-r0

apk update && apk add --upgrade firefox-esr

firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```

Are YOU affected by CVE-2020-15664?

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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