CVE-2024-27280 · cross-distro fix matrix

CVE-2024-27280: A buffer-overread issue was discovered in StringIO 3.0.1, as distributed in Ruby 3.0.x through 3.0.6 and 3.1.x through 3.1.4. The ungetbyte and ungetc methods on a StringIO can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value. 3.0.3 is the main fixed

Affects 7 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2024-27280 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

ruby2.7→ fixed in2.7.4-1+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby2.7
```

Debian bookworm

Source: Debian Security Tracker

ruby3.1→ fixed in3.1.2-7+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby3.1
```

Alpine v3.20

Source: Alpine secdb

ruby→ fixed in3.3.1-r0
```
apk update && apk add --upgrade ruby
```

Alpine v3.21

Source: Alpine secdb

ruby→ fixed in3.3.1-r0
```
apk update && apk add --upgrade ruby
```

Alpine edge

Source: Alpine secdb

ruby→ fixed in3.3.1-r0
```
apk update && apk add --upgrade ruby
```

Alpine v3.18

Source: Alpine secdb

ruby→ fixed in3.2.4-r0
```
apk update && apk add --upgrade ruby
```

Alpine v3.19

Source: Alpine secdb

ruby→ fixed in3.2.4-r0
```
apk update && apk add --upgrade ruby
```

Are YOU affected by CVE-2024-27280?

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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