CVE-2024-43398 · cross-distro fix matrix

CVE-2024-43398: REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. I

Affects 6 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2024-43398 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+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby2.7
```

Debian trixie

Source: Debian Security Tracker

ruby3.3→ fixed in3.3.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby3.3
```

Alpine v3.20

Source: Alpine secdb

ruby-rexml→ fixed in3.3.9-r0

apk update && apk add --upgrade ruby-rexml

Alpine v3.21

Source: Alpine secdb

ruby-rexml→ fixed in3.3.9-r0

apk update && apk add --upgrade ruby-rexml

Alpine edge

Source: Alpine secdb

ruby-rexml→ fixed in3.3.9-r0

apk update && apk add --upgrade ruby-rexml

Alpine v3.19

Source: Alpine secdb

ruby-rexml→ fixed in3.3.9-r0

apk update && apk add --upgrade ruby-rexml

Are YOU affected by CVE-2024-43398?

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

CVE-2024-43398dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)