CVE-2017-7776 · cross-distro fix matrix

CVE-2017-7776: Heap-based Buffer Overflow read in Graphite2 library in Firefox before 54 in graphite2::Silf::getClassGlyph.

Affects 3 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2017-7776 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

firefox-esr→ fixed in52.2.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
graphite2→ fixed in1.3.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y graphite2
```

Debian bookworm

Source: Debian Security Tracker

firefox-esr→ fixed in52.2.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
graphite2→ fixed in1.3.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y graphite2
```

Debian trixie

Source: Debian Security Tracker

firefox-esr→ fixed in52.2.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
graphite2→ fixed in1.3.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y graphite2
```

Are YOU affected by CVE-2017-7776?

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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