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CVE-2017-11423 · cross-distro fix matrix

CVE-2017-11423: The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2 and other products, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a crafted CAB file.

Affects 8 Linux releases across 16 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2017-11423 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

clamav→ fixed in0.99.3~beta1+dfsg-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y clamav
```
libmspack→ fixed in0.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libmspack
```

Debian bookworm

Source: Debian Security Tracker

clamav→ fixed in0.99.3~beta1+dfsg-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y clamav
```
libmspack→ fixed in0.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libmspack
```

Debian trixie

Source: Debian Security Tracker

clamav→ fixed in0.99.3~beta1+dfsg-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y clamav
```
libmspack→ fixed in0.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libmspack
```

Alpine v3.20

Source: Alpine secdb

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

libmspack→ fixed in0.5_alpha-r1

apk update && apk add --upgrade libmspack

Alpine v3.21

Source: Alpine secdb

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

libmspack→ fixed in0.5_alpha-r1

apk update && apk add --upgrade libmspack

Alpine edge

Source: Alpine secdb

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

libmspack→ fixed in0.5_alpha-r1

apk update && apk add --upgrade libmspack

Alpine v3.18

Source: Alpine secdb

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

libmspack→ fixed in0.5_alpha-r1

apk update && apk add --upgrade libmspack

Alpine v3.19

Source: Alpine secdb

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

libmspack→ fixed in0.5_alpha-r1

apk update && apk add --upgrade libmspack

Are YOU affected by CVE-2017-11423?

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

CVE-2017-11423dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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