CVE-2025-11411 · cross-distro fix matrix

CVE-2025-11411: NLnet Labs Unbound up to and including version 1.24.1 is vulnerable to possible domain hijack attacks. Promiscuous NS RRSets that complement positive DNS replies in the authority section can be used to trick resolvers to update their delegation information for the zone. Usually these RRSets are used

Affects 7 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-11411 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

unbound→ fixed in1.13.1-1+deb11u7urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y unbound
```

Debian bookworm

Source: Debian Security Tracker

unbound→ fixed in1.17.1-2+deb12u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y unbound
```

Debian trixie

Source: Debian Security Tracker

unbound→ fixed in1.22.0-2+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y unbound
```

Alpine v3.20

Source: Alpine secdb

unbound→ fixed in1.20.0-r2
```
apk update && apk add --upgrade unbound
```

Alpine v3.21

Source: Alpine secdb

unbound→ fixed in1.22.0-r1
```
apk update && apk add --upgrade unbound
```

Alpine edge

Source: Alpine secdb

unbound→ fixed in1.24.1-r0
```
apk update && apk add --upgrade unbound
```

Alpine v3.19

Source: Alpine secdb

unbound→ fixed in1.20.0-r2
```
apk update && apk add --upgrade unbound
```

Are YOU affected by CVE-2025-11411?

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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