CVE-2021-38562 · cross-distro fix matrix

CVE-2021-38562: Best Practical Request Tracker (RT) 4.2 before 4.2.17, 4.4 before 4.4.5, and 5.0 before 5.0.2 allows sensitive information disclosure via a timing attack against lib/RT/REST2/Middleware/Auth.pm.

Affects 6 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-38562 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

request-tracker4→ fixed in4.4.4+dfsg-2+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y request-tracker4
```

Debian bookworm

Source: Debian Security Tracker

request-tracker4→ fixed in4.4.4+dfsg-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y request-tracker4
```
request-tracker5→ fixed in5.0.3+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y request-tracker5
```

Debian trixie

Source: Debian Security Tracker

request-tracker5→ fixed in5.0.3+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y request-tracker5
```

Alpine v3.20

Source: Alpine secdb

rt4→ fixed in4.4.7-r0
```
apk update && apk add --upgrade rt4
```

Alpine v3.21

Source: Alpine secdb

rt4→ fixed in4.4.7-r0
```
apk update && apk add --upgrade rt4
```

Alpine edge

Source: Alpine secdb

rt4→ fixed in4.4.7-r0
```
apk update && apk add --upgrade rt4
```

Are YOU affected by CVE-2021-38562?

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

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