CVE-2018-12387 · cross-distro fix matrix

CVE-2018-12387: A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content proc

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-12387 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

firefox-esr→ fixed in60.2.2esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```

Debian bookworm

Source: Debian Security Tracker

firefox-esr→ fixed in60.2.2esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```

Debian trixie

Source: Debian Security Tracker

firefox-esr→ fixed in60.2.2esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```

Are YOU affected by CVE-2018-12387?

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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