CVE-2020-6078 · cross-distro fix matrix

CVE-2020-6078: An exploitable denial-of-service vulnerability exists in the message-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing mDNS messages in mdns_recv, the return value of the mdns_read_header function is not checked, leading to an uninitialized variable usage that eventually results in

Affects 8 Linux releases across 9 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-6078 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

vlc→ fixed in3.0.8-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y vlc
```

Debian bookworm

Source: Debian Security Tracker

vlc→ fixed in3.0.8-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y vlc
```

Debian trixie

Source: Debian Security Tracker

libmicrodns→ fixed in0.2.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libmicrodns
```
vlc→ fixed in3.0.8-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y vlc
```

Alpine v3.20

Source: Alpine secdb

vlc→ fixed in3.0.9.2-r0
```
apk update && apk add --upgrade vlc
```

Alpine v3.21

Source: Alpine secdb

vlc→ fixed in3.0.9.2-r0
```
apk update && apk add --upgrade vlc
```

Alpine edge

Source: Alpine secdb

vlc→ fixed in3.0.9.2-r0
```
apk update && apk add --upgrade vlc
```

Alpine v3.18

Source: Alpine secdb

vlc→ fixed in3.0.9.2-r0
```
apk update && apk add --upgrade vlc
```

Alpine v3.19

Source: Alpine secdb

vlc→ fixed in3.0.9.2-r0
```
apk update && apk add --upgrade vlc
```

Are YOU affected by CVE-2020-6078?

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

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