CVE-2021-23214 · cross-distro fix matrix

CVE-2021-23214: When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption.

Affects 4 Linux releases across 10 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-23214 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

postgresql-13→ fixed in13.5-0+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y postgresql-13
```

Alpine v3.20

Source: Alpine secdb

postgresql15→ fixed in14.1-r0

apk update && apk add --upgrade postgresql15

postgresql14→ fixed in14.1-r0

apk update && apk add --upgrade postgresql14

Alpine v3.18

Source: Alpine secdb

postgresql14→ fixed in14.1-r0

apk update && apk add --upgrade postgresql14

postgresql15→ fixed in14.1-r0

apk update && apk add --upgrade postgresql15

postgresql12→ fixed in12.9-r0

apk update && apk add --upgrade postgresql12

postgresql13→ fixed in13.5-r0

apk update && apk add --upgrade postgresql13

Alpine v3.19

Source: Alpine secdb

postgresql15→ fixed in14.1-r0

apk update && apk add --upgrade postgresql15

postgresql13→ fixed in13.5-r0

apk update && apk add --upgrade postgresql13

postgresql14→ fixed in14.1-r0

apk update && apk add --upgrade postgresql14

Are YOU affected by CVE-2021-23214?

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-2021-23214dropped 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)