CVE-2012-6706 · cross-distro fix matrix

CVE-2012-6706: A VMSF_DELTA memory corruption was discovered in unrar before 5.5.5, as used in Sophos Anti-Virus Threat Detection Engine before 3.37.2 and other products, that can lead to arbitrary code execution. An integer overflow can be caused in DataSize+CurChannel. The result is a negative value of the "Dest

Affects 8 Linux releases across 11 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2012-6706 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libclamunrar→ fixed in0.99-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libclamunrar
```
unrar-nonfree→ fixed in1:5.5.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y unrar-nonfree
```

Debian bookworm

Source: Debian Security Tracker

libclamunrar→ fixed in0.99-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libclamunrar
```
unrar-nonfree→ fixed in1:5.5.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y unrar-nonfree
```

Debian trixie

Source: Debian Security Tracker

libclamunrar→ fixed in0.99-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libclamunrar
```
unrar-nonfree→ fixed in1:5.5.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y unrar-nonfree
```

Alpine v3.20

Source: Alpine secdb

clamav→ fixed in0.99.4-r0
```
apk update && apk add --upgrade clamav
```

Alpine v3.21

Source: Alpine secdb

clamav→ fixed in0.99.4-r0
```
apk update && apk add --upgrade clamav
```

Alpine edge

Source: Alpine secdb

clamav→ fixed in0.99.4-r0
```
apk update && apk add --upgrade clamav
```

Alpine v3.18

Source: Alpine secdb

clamav→ fixed in0.99.4-r0
```
apk update && apk add --upgrade clamav
```

Alpine v3.19

Source: Alpine secdb

clamav→ fixed in0.99.4-r0
```
apk update && apk add --upgrade clamav
```

Are YOU affected by CVE-2012-6706?

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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