CVE-2019-6977 · cross-distro fix matrix

CVE-2019-6977: gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trig

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-6977 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libgd2→ fixed in2.2.5-5.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgd2
```

Debian bookworm

Source: Debian Security Tracker

libgd2→ fixed in2.2.5-5.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgd2
```

Debian trixie

Source: Debian Security Tracker

libgd2→ fixed in2.2.5-5.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgd2
```

Alpine v3.20

Source: Alpine secdb

gd→ fixed in2.2.5-r2
```
apk update && apk add --upgrade gd
```

Alpine v3.21

Source: Alpine secdb

gd→ fixed in2.2.5-r2
```
apk update && apk add --upgrade gd
```

Alpine edge

Source: Alpine secdb

gd→ fixed in2.2.5-r2
```
apk update && apk add --upgrade gd
```

Alpine v3.18

Source: Alpine secdb

gd→ fixed in2.2.5-r2
```
apk update && apk add --upgrade gd
```

Alpine v3.19

Source: Alpine secdb

gd→ fixed in2.2.5-r2
```
apk update && apk add --upgrade gd
```

Are YOU affected by CVE-2019-6977?

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

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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