CVE-2018-6942 · cross-distro fix matrix

CVE-2018-6942: An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-6942 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

freetype→ fixed in2.9.1-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y freetype
```

Debian bookworm

Source: Debian Security Tracker

freetype→ fixed in2.9.1-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y freetype
```

Debian trixie

Source: Debian Security Tracker

freetype→ fixed in2.9.1-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y freetype
```

Alpine v3.20

Source: Alpine secdb

freetype→ fixed in2.9-r1

apk update && apk add --upgrade freetype

Alpine v3.21

Source: Alpine secdb

freetype→ fixed in2.9-r1

apk update && apk add --upgrade freetype

Alpine edge

Source: Alpine secdb

freetype→ fixed in2.9-r1

apk update && apk add --upgrade freetype

Alpine v3.18

Source: Alpine secdb

freetype→ fixed in2.9-r1

apk update && apk add --upgrade freetype

Alpine v3.19

Source: Alpine secdb

freetype→ fixed in2.9-r1

apk update && apk add --upgrade freetype

Are YOU affected by CVE-2018-6942?

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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Continuous monitoring beats manual checking

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