CVE-2017-7407 · cross-distro fix matrix

CVE-2017-7407: The ourWriteOut function in tool_writeout.c in curl 7.53.1 might allow physically proximate attackers to obtain sensitive information from process memory in opportunistic circumstances by reading a workstation screen during use of a --write-out argument ending in a '%' character, which leads to a he

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-7407 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

curl→ fixed in7.52.1-4urgency: unimportant

sudo apt-get install --only-upgrade -y curl

Debian bookworm

Source: Debian Security Tracker

curl→ fixed in7.52.1-4urgency: unimportant

sudo apt-get install --only-upgrade -y curl

Debian trixie

Source: Debian Security Tracker

curl→ fixed in7.52.1-4urgency: unimportant

sudo apt-get install --only-upgrade -y curl

Alpine v3.20

Source: Alpine secdb

curl→ fixed in7.53.1-r2
```
apk update && apk add --upgrade curl
```

Alpine v3.21

Source: Alpine secdb

curl→ fixed in7.53.1-r2
```
apk update && apk add --upgrade curl
```

Alpine edge

Source: Alpine secdb

curl→ fixed in7.53.1-r2
```
apk update && apk add --upgrade curl
```

Alpine v3.18

Source: Alpine secdb

curl→ fixed in7.53.1-r2
```
apk update && apk add --upgrade curl
```

Alpine v3.19

Source: Alpine secdb

curl→ fixed in7.53.1-r2
```
apk update && apk add --upgrade curl
```

Are YOU affected by CVE-2017-7407?

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.

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