CVE-2026-5950 · cross-distro fix matrix

CVE-2026-5950: Vitaly Simonovich discovered that Bind could exhaust memory during GSS-API

Affects 9 Linux releases across 37 (distro × package) combinations. First disclosed: 2026-05-20.

CVSS v3:MEDIUM · 5.3(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-5950 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

bind9→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9
```
bind9-dev→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-dev
```
bind9-dnsutils→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-dnsutils
```
bind9-doc→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-doc
```
bind9-host→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-host
```
bind9-libs→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-libs
```
bind9-utils→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-utils
```
bind9utils→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9utils
```
dnsutils→ fixed in1:9.18.39-0ubuntu0.22.04.4USN-8293-1
```
sudo apt-get install --only-upgrade -y dnsutils
```

Ubuntu noble

Source: Ubuntu USN

bind9→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9
```
bind9-dev→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-dev
```
bind9-dnsutils→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-dnsutils
```
bind9-doc→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-doc
```
bind9-host→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-host
```
bind9-libs→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-libs
```
bind9-utils→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-utils
```
bind9utils→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9utils
```
dnsutils→ fixed in1:9.18.39-0ubuntu0.24.04.5USN-8293-1
```
sudo apt-get install --only-upgrade -y dnsutils
```

Ubuntu questing

Source: Ubuntu USN

bind9→ fixed in1:9.20.11-1ubuntu2.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9
```
bind9-dev→ fixed in1:9.20.11-1ubuntu2.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-dev
```
bind9-dnsutils→ fixed in1:9.20.11-1ubuntu2.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-dnsutils
```
bind9-doc→ fixed in1:9.20.11-1ubuntu2.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-doc
```
bind9-host→ fixed in1:9.20.11-1ubuntu2.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-host
```
bind9-libs→ fixed in1:9.20.11-1ubuntu2.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-libs
```
bind9-utils→ fixed in1:9.20.11-1ubuntu2.4USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-utils
```

Ubuntu resolute

Source: Ubuntu USN

bind9→ fixed in1:9.20.18-1ubuntu2.1USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9
```
bind9-dev→ fixed in1:9.20.18-1ubuntu2.1USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-dev
```
bind9-dnsutils→ fixed in1:9.20.18-1ubuntu2.1USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-dnsutils
```
bind9-doc→ fixed in1:9.20.18-1ubuntu2.1USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-doc
```
bind9-host→ fixed in1:9.20.18-1ubuntu2.1USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-host
```
bind9-libs→ fixed in1:9.20.18-1ubuntu2.1USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-libs
```
bind9-utils→ fixed in1:9.20.18-1ubuntu2.1USN-8293-1
```
sudo apt-get install --only-upgrade -y bind9-utils
```

Debian bookworm

Source: Debian Security Tracker

bind9→ fixed in1:9.18.49-1~deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bind9
```

Debian trixie

Source: Debian Security Tracker

bind9→ fixed in1:9.20.23-1~deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y bind9
```

Alpine v3.20

Source: Alpine secdb

bind→ fixed in9.18.49-r0
```
apk update && apk add --upgrade bind
```

Alpine v3.21

Source: Alpine secdb

bind→ fixed in9.18.49-r0
```
apk update && apk add --upgrade bind
```

Alpine edge

Source: Alpine secdb

bind→ fixed in9.20.23-r0
```
apk update && apk add --upgrade bind
```

Are YOU affected by CVE-2026-5950?

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-2026-5950dropped 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. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)