CVE-2026-11526 · cross-distro fix matrix

CVE-2026-11526: It was discovered that GD.pm incorrectly handled filename arguments. An

Affects 9 Linux releases across 9 (distro × package) combinations. First disclosed: 2026-06-14.

CVSS v3:CRITICAL · 9.8(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-11526 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

libgd-perl→ fixed in2.76-2ubuntu0.1USN-8484-1

sudo apt-get install --only-upgrade -y libgd-perl

Ubuntu noble

Source: Ubuntu USN

libgd-perl→ fixed in2.78-1ubuntu0.24.04.1USN-8484-1
```
sudo apt-get install --only-upgrade -y libgd-perl
```

Ubuntu questing

Source: Ubuntu USN

libgd-perl→ fixed in2.78-1ubuntu0.25.10.1USN-8484-1
```
sudo apt-get install --only-upgrade -y libgd-perl
```

Ubuntu resolute

Source: Ubuntu USN

libgd-perl→ fixed in2.84-2ubuntu0.1USN-8484-1

sudo apt-get install --only-upgrade -y libgd-perl

Debian bullseye

Source: Debian Security Tracker

libgd-perl→ fixed in2.73-1+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgd-perl
```

Debian bookworm

Source: Debian Security Tracker

libgd-perl→ fixed in2.76-4+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgd-perl
```

Debian trixie

Source: Debian Security Tracker

libgd-perl→ fixed in2.78-1+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libgd-perl
```

Alpine v3.21

Source: Alpine secdb

perl-gd→ fixed in2.86-r0
```
apk update && apk add --upgrade perl-gd
```

Alpine edge

Source: Alpine secdb

perl-gd→ fixed in2.86-r0
```
apk update && apk add --upgrade perl-gd
```

Are YOU affected by CVE-2026-11526?

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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