CVE-2017-6949 · cross-distro fix matrix

CVE-2017-6949: An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault o

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-6949 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

chicken→ fixed in4.12.0-0.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y chicken
```

Debian bookworm

Source: Debian Security Tracker

chicken→ fixed in4.12.0-0.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y chicken
```

Debian trixie

Source: Debian Security Tracker

chicken→ fixed in4.12.0-0.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y chicken
```

Alpine v3.20

Source: Alpine secdb

chicken→ fixed in4.12.0-r3
```
apk update && apk add --upgrade chicken
```

Alpine v3.21

Source: Alpine secdb

chicken→ fixed in4.12.0-r3
```
apk update && apk add --upgrade chicken
```

Alpine edge

Source: Alpine secdb

chicken→ fixed in4.12.0-r3
```
apk update && apk add --upgrade chicken
```

Alpine v3.18

Source: Alpine secdb

chicken→ fixed in4.12.0-r3
```
apk update && apk add --upgrade chicken
```

Alpine v3.19

Source: Alpine secdb

chicken→ fixed in4.12.0-r3
```
apk update && apk add --upgrade chicken
```

Are YOU affected by CVE-2017-6949?

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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