CVE-2021-3504 · cross-distro fix matrix

CVE-2021-3504: A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-3504 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

hivex→ fixed in1.3.20-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y hivex
```

Debian bookworm

Source: Debian Security Tracker

hivex→ fixed in1.3.20-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y hivex
```

Debian trixie

Source: Debian Security Tracker

hivex→ fixed in1.3.20-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y hivex
```

Alpine v3.20

Source: Alpine secdb

hivex→ fixed in1.3.19-r2
```
apk update && apk add --upgrade hivex
```

Alpine v3.21

Source: Alpine secdb

hivex→ fixed in1.3.19-r2
```
apk update && apk add --upgrade hivex
```

Alpine edge

Source: Alpine secdb

hivex→ fixed in1.3.19-r2
```
apk update && apk add --upgrade hivex
```

Alpine v3.18

Source: Alpine secdb

hivex→ fixed in1.3.19-r2
```
apk update && apk add --upgrade hivex
```

Alpine v3.19

Source: Alpine secdb

hivex→ fixed in1.3.19-r2
```
apk update && apk add --upgrade hivex
```

Are YOU affected by CVE-2021-3504?

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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