CVE-2025-30193 · cross-distro fix matrix

CVE-2025-30193: In some circumstances, when DNSdist is configured to allow an unlimited number of queries on a single, incoming TCP connection from a client, an attacker can cause a denial of service by crafting a TCP exchange that triggers an exhaustion of the stack and a crash of DNSdist, causing a denial of serv

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-30193 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

dnsdist→ fixed in1.9.10-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dnsdist
```

Alpine v3.21

Source: Alpine secdb

dnsdist→ fixed in1.9.10-r0
```
apk update && apk add --upgrade dnsdist
```

Alpine edge

Source: Alpine secdb

dnsdist→ fixed in1.9.10-r0
```
apk update && apk add --upgrade dnsdist
```

Are YOU affected by CVE-2025-30193?

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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