[DRE-maint] Bug#1103790: ruby3.1: CVE-2024-49761

[Salvatore Bonaccorso]

Source: ruby3.1
Version: 3.1.2-8.5
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for ruby3.1.

CVE-2024-49761[0]:
| REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a
| ReDoS vulnerability when it parses an XML that has many digits
| between &# and x...; in a hex numeric character reference (&#x...;).
| This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only
| affected maintained Ruby. The REXML gem 3.3.9 or later include the
| patch to fix the vulnerability.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2024-49761
    https://www.cve.org/CVERecord?id=CVE-2024-49761
[1] https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m
[2] https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore