CVE-2026-42005 · cross-distro fix matrix

CVE-2026-42005: An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

Affects 2 Linux releases across 5 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2026-42005 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

dnsdist→ fixed in1.9.15-0+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dnsdist
```
pdns→ fixed in4.9.16-0+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pdns
```
pdns-recursor→ fixed in5.2.11-0+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y pdns-recursor
```

Alpine edge

Source: Alpine secdb

dnsdist→ fixed in2.0.7-r0
```
apk update && apk add --upgrade dnsdist
```
pdns→ fixed in5.1.2-r0
```
apk update && apk add --upgrade pdns
```

Are YOU affected by CVE-2026-42005?

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

CVE-2026-42005dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. From $9/mo, 14-day free trial, cancel anytime.

See StackPatch (from $9/mo)