CVE-2026-2004 · cross-distro fix matrix

CVE-2026-2004: Missing validation of type of input in PostgreSQL intarray extension selectivity estimator function allows an object creator to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

Affects 6 Linux releases across 10 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-2004 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

postgresql-13→ fixed in13.23-0+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postgresql-13
```

Debian bookworm

Source: Debian Security Tracker

postgresql-15→ fixed in15.16-0+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postgresql-15
```

Debian trixie

Source: Debian Security Tracker

postgresql-17→ fixed in17.8-0+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postgresql-17
```

Alpine v3.20

Source: Alpine secdb

postgresql15→ fixed in15.16-r0

apk update && apk add --upgrade postgresql15

postgresql16→ fixed in16.12-r0

apk update && apk add --upgrade postgresql16

Alpine v3.21

Source: Alpine secdb

postgresql16→ fixed in16.12-r0

apk update && apk add --upgrade postgresql16

postgresql17→ fixed in17.8-r0

apk update && apk add --upgrade postgresql17

Alpine edge

Source: Alpine secdb

postgresql17→ fixed in17.8-r0

apk update && apk add --upgrade postgresql17

postgresql18→ fixed in18.2-r0

apk update && apk add --upgrade postgresql18

postgresql16→ fixed in16.12-r0

apk update && apk add --upgrade postgresql16

Are YOU affected by CVE-2026-2004?

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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