🛡️ CVE-2024-41123 on Debian — ruby2.7

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, >] and ]>. The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.

Distribution advisory

This page covers CVE-2024-41123 as tracked by Debian, for the package ruby2.7. The fix is available in version 2.7.4-1+deb11u3; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

DEBIAN-CVE-2024-41123 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

DEBIAN-CVE-2024-41123 is recorded against 3 packages.

  • ruby2.7 (fixed in 2.7.4-1+deb11u3)
  • ruby3.1
  • ruby3.3 (fixed in 3.3.5-1)

Timeline and source

Published on 1 August 2024 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2024-41123 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-08-01
Updated 2026-08-11
Modified 2026-08-04
Fix URL N/A

Affected Packages

Software From version Fixed in
ruby2.7 — 2.7.4-1+deb11u3
ruby3.1 — —
ruby3.3 — 3.3.5-1

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