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TI-2024-18121 Aliases CVE-2024-27282GHSA-63cq-cj6g-qfr2

An issue was discovered in Ruby 3.x through 3.3.0.

Priority LOW 30CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · Low · Low
Fix status
Partial Red Hat: 4 fixed, 4 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

An issue was discovered in Ruby 3.x through 3.3.0. If attacker-supplied data is provided to the Ruby regex compiler, it is possible to extract arbitrary heap data relative to the start of the text, including pointers and sensitive strings. The fixed versions are 3.0.7, 3.1.5, 3.2.4, and 3.3.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00656 51st percentileScored 2026-11-07
Fix Partial Red Hat: 10 advisoriesRed Hat: 4 fixed, 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

Remediation

Red Hat 10 advisories

  • RHSA-2026:8838 Released 2026-04-17 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby4.0-4.0.0-33.3.hum1@aarch64, ruby4.0-4.0.0-33.3.hum1@src, ruby4.0-4.0.0-33.3.hum1@x86_64 +10
  • RHSA-2026:7307 Released 2026-04-09 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby3.4-3.4.8-31.1.hum1@aarch64, ruby3.4-3.4.8-31.1.hum1@src, ruby3.4-3.4.8-31.1.hum1@x86_64 +10
  • RHSA-2026:7305 Released 2026-04-09 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby3.3-3.3.10-23.1.hum1@aarch64, ruby3.3-3.3.10-23.1.hum1@src, ruby3.3-3.3.10-23.1.hum1@x86_64 +10
Show 7 more Red Hat advisories
  • RHSA-2024:4499 Released 2024-07-11 · Red Hat rating Moderate
    ruby security update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-2.5.9-112.module+el8.10.0+22021+135c76a8.aarch64::ruby:2.5, ruby-2.5.9-112.module+el8.10.0+22021+135c76a8.i686::ruby:2.5, ruby-2.5.9-112.module+el8.10.0+22021+135c76a8.ppc64le::ruby:2.5 +47
  • RHSA-2024:3838 Released 2024-06-11 · Red Hat rating Moderate
    ruby security update
    • Red Hat Enterprise Linux AppStream (v. 9) ruby-3.0.7-162.el9_4, ruby-default-gems-3.0.7-162.el9_4, ruby-devel-3.0.7-162.el9_4 +18
    • Red Hat Enterprise Linux CRB (v. 9) ruby-doc-3.0.7-162.el9_4
  • RHSA-2024:3671 Released 2024-06-06 · Red Hat rating Moderate
    ruby:3.3 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) ruby-3.3.1-2.module+el9.4.0+21859+16f07581.aarch64::ruby:3.3, ruby-3.3.1-2.module+el9.4.0+21859+16f07581.i686::ruby:3.3, ruby-3.3.1-2.module+el9.4.0+21859+16f07581.ppc64le::ruby:3.3 +47
  • RHSA-2024:3670 Released 2024-06-06 · Red Hat rating Moderate
    ruby:3.3 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-3.3.1-2.module+el8.10.0+21860+47fbda2a.aarch64::ruby:3.3, ruby-3.3.1-2.module+el8.10.0+21860+47fbda2a.i686::ruby:3.3, ruby-3.3.1-2.module+el8.10.0+21860+47fbda2a.ppc64le::ruby:3.3 +47
  • RHSA-2024:3668 Released 2024-06-06 · Red Hat rating Moderate
    ruby:3.1 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) ruby-3.1.5-144.module+el9.4.0+21780+79b7bdb5.aarch64::ruby:3.1, ruby-3.1.5-144.module+el9.4.0+21780+79b7bdb5.i686::ruby:3.1, ruby-3.1.5-144.module+el9.4.0+21780+79b7bdb5.ppc64le::ruby:3.1 +47
  • RHSA-2024:3546 Released 2024-06-03 · Red Hat rating Moderate
    ruby:3.1 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-3.1.5-143.module+el8.10.0+21792+e2f63d26.aarch64::ruby:3.1, ruby-3.1.5-143.module+el8.10.0+21792+e2f63d26.i686::ruby:3.1, ruby-3.1.5-143.module+el8.10.0+21792+e2f63d26.ppc64le::ruby:3.1 +47
  • RHSA-2024:3500 Released 2024-05-30 · Red Hat rating Moderate
    ruby:3.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-3.0.7-143.module+el8.10.0+21858+d19f3934.aarch64::ruby:3.0, ruby-3.0.7-143.module+el8.10.0+21858+d19f3934.i686::ruby:3.0, ruby-3.0.7-143.module+el8.10.0+21858+d19f3934.ppc64le::ruby:3.0 +47

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Hardened ImagesAffectedNo fix yet
Red Hat Storage 3AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:3500, RHSA-2024:3546, RHSA-2024:3670, RHSA-2024:4499
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:3668, RHSA-2024:3671, RHSA-2024:3838
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:3838
Red Hat Hardened ImagesFixed RHSA-2026:7305, RHSA-2026:7307, RHSA-2026:8838
Not affected: 2 products
  • Red Hat Enterprise Linux 10
  • Red Hat Hardened Images

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-27282
  2. 2026-10-03 Alias added: GHSA-63cq-cj6g-qfr2
  3. 2026-10-25 EPSS moved to the 50th–90th percentile
  4. 2026-11-07 Affected versions changed · Red Hat

References

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences