CVE-2023-38545 · cross-distro fix matrix

CVE-2023-38545: This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked to pass along the host name to the SOCKS5 proxy to allow that to resolve the address instead of it getting done by curl itself, the maximum length that host name can be is 255 bytes. If the host nam

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-38545 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

curl→ fixed in7.74.0-1.3+deb11u10urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y curl
```

Debian bookworm

Source: Debian Security Tracker

curl→ fixed in7.88.1-10+deb12u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y curl
```

Debian trixie

Source: Debian Security Tracker

curl→ fixed in8.3.0-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y curl
```

Alpine v3.20

Source: Alpine secdb

curl→ fixed in8.4.0-r0
```
apk update && apk add --upgrade curl
```

Alpine v3.21

Source: Alpine secdb

curl→ fixed in8.4.0-r0
```
apk update && apk add --upgrade curl
```

Alpine edge

Source: Alpine secdb

curl→ fixed in8.4.0-r0
```
apk update && apk add --upgrade curl
```

Alpine v3.18

Source: Alpine secdb

curl→ fixed in8.4.0-r0
```
apk update && apk add --upgrade curl
```

Alpine v3.19

Source: Alpine secdb

curl→ fixed in8.4.0-r0
```
apk update && apk add --upgrade curl
```

Are YOU affected by CVE-2023-38545?

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

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