CVE-2020-15250 · cross-distro fix matrix

CVE-2020-15250: In JUnit4 from version 4.7 and before 4.13.1, the test rule TemporaryFolder contains a local information disclosure vulnerability. On Unix like systems, the system's temporary directory is shared between all users on that system. Because of this, when files and directories are written into this dire

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-15250 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

junit4→ fixed in4.13.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y junit4
```

Debian bookworm

Source: Debian Security Tracker

junit4→ fixed in4.13.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y junit4
```

Debian trixie

Source: Debian Security Tracker

junit4→ fixed in4.13.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y junit4
```

Alpine v3.20

Source: Alpine secdb

junit→ fixed in4.13.1-r0
```
apk update && apk add --upgrade junit
```

Alpine v3.21

Source: Alpine secdb

junit→ fixed in4.13.1-r0
```
apk update && apk add --upgrade junit
```

Alpine edge

Source: Alpine secdb

junit→ fixed in4.13.1-r0
```
apk update && apk add --upgrade junit
```

Alpine v3.18

Source: Alpine secdb

junit→ fixed in4.13.1-r0
```
apk update && apk add --upgrade junit
```

Alpine v3.19

Source: Alpine secdb

junit→ fixed in4.13.1-r0
```
apk update && apk add --upgrade junit
```

Are YOU affected by CVE-2020-15250?

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.

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