CVE-2017-14491 · cross-distro fix matrix

CVE-2017-14491: Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-14491 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

dnsmasq→ fixed in2.78-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dnsmasq
```

Debian bookworm

Source: Debian Security Tracker

dnsmasq→ fixed in2.78-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dnsmasq
```

Debian trixie

Source: Debian Security Tracker

dnsmasq→ fixed in2.78-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dnsmasq
```

Alpine v3.20

Source: Alpine secdb

dnsmasq→ fixed in2.78-r0
```
apk update && apk add --upgrade dnsmasq
```

Alpine v3.21

Source: Alpine secdb

dnsmasq→ fixed in2.78-r0
```
apk update && apk add --upgrade dnsmasq
```

Alpine edge

Source: Alpine secdb

dnsmasq→ fixed in2.78-r0
```
apk update && apk add --upgrade dnsmasq
```

Alpine v3.18

Source: Alpine secdb

dnsmasq→ fixed in2.78-r0
```
apk update && apk add --upgrade dnsmasq
```

Alpine v3.19

Source: Alpine secdb

dnsmasq→ fixed in2.78-r0
```
apk update && apk add --upgrade dnsmasq
```

Are YOU affected by CVE-2017-14491?

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