CVE-2020-15810 · cross-distro fix matrix

CVE-2020-15810: An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Smuggling attacks may succeed against HTTP and HTTPS traffic. This leads to cache poisoning. This allows any client, including browser scripts, to bypass local security and poison the pr

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-15810 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

squid→ fixed in4.13-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y squid
```

Debian bookworm

Source: Debian Security Tracker

squid→ fixed in4.13-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y squid
```

Debian trixie

Source: Debian Security Tracker

squid→ fixed in4.13-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y squid
```

Alpine v3.20

Source: Alpine secdb

squid→ fixed in4.13.0-r0
```
apk update && apk add --upgrade squid
```

Alpine v3.21

Source: Alpine secdb

squid→ fixed in4.13.0-r0
```
apk update && apk add --upgrade squid
```

Alpine edge

Source: Alpine secdb

squid→ fixed in4.13.0-r0
```
apk update && apk add --upgrade squid
```

Alpine v3.18

Source: Alpine secdb

squid→ fixed in4.13.0-r0
```
apk update && apk add --upgrade squid
```

Alpine v3.19

Source: Alpine secdb

squid→ fixed in4.13.0-r0
```
apk update && apk add --upgrade squid
```

Are YOU affected by CVE-2020-15810?

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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Continuous monitoring beats manual checking

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