CVE-2018-19840 · cross-distro fix matrix

CVE-2018-19840: The function WavpackPackInit in pack_utils.c in libwavpack.a in WavPack through 5.1.0 allows attackers to cause a denial-of-service (resource exhaustion caused by an infinite loop) via a crafted wav audio file because WavpackSetConfiguration64 mishandles a sample rate of zero.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-19840 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

wavpack→ fixed in5.1.0-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wavpack
```

Debian bookworm

Source: Debian Security Tracker

wavpack→ fixed in5.1.0-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wavpack
```

Debian trixie

Source: Debian Security Tracker

wavpack→ fixed in5.1.0-5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wavpack
```

Alpine v3.20

Source: Alpine secdb

wavpack→ fixed in5.1.0-r7
```
apk update && apk add --upgrade wavpack
```

Alpine v3.21

Source: Alpine secdb

wavpack→ fixed in5.1.0-r7
```
apk update && apk add --upgrade wavpack
```

Alpine edge

Source: Alpine secdb

wavpack→ fixed in5.1.0-r7
```
apk update && apk add --upgrade wavpack
```

Alpine v3.18

Source: Alpine secdb

wavpack→ fixed in5.1.0-r7
```
apk update && apk add --upgrade wavpack
```

Alpine v3.19

Source: Alpine secdb

wavpack→ fixed in5.1.0-r7
```
apk update && apk add --upgrade wavpack
```

Are YOU affected by CVE-2018-19840?

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

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