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TI-2022-11373 Aliases CVE-2022-28739GHSA-mvgc-rxvg-hqc6

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4…

Priority MEDIUM 40CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 6 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.

Summary

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

Why it matters now

EPSS 0.0437 91st percentileScored 2026-11-07
Fix Partial Red Hat: 10 advisoriesRed Hat: 6 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

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

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*before 2.6.10; 2.7.0 to before 2.7.6; 3.0.0 to before 3.0.4; 3.1.0 to before 3.1.2Vulnerableruby
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*11.0 to before 11.7.1; 12.0 to before 12.6.1VulnerableApple
  • cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* Versions before 2.6.10; 2.7.0 to before 2.7.6; 3.0.0 to before 3.0.4; 3.1.0 to before 3.1.2 Vulnerable ·ruby
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.7.1; 12.0 to before 12.6.1 Vulnerable ·Apple

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-2023:7025 Released 2023-11-14 · Red Hat rating Moderate
    ruby:2.5 security update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-2.5.9-111.module+el8.9.0+19193+435404ae.aarch64::ruby:2.5, ruby-2.5.9-111.module+el8.9.0+19193+435404ae.i686::ruby:2.5, ruby-2.5.9-111.module+el8.9.0+19193+435404ae.ppc64le::ruby:2.5 +47
  • RHSA-2022:6856 Released 2022-10-11 · Red Hat rating Moderate
    rh-ruby27-ruby security, bug fix, and enhancement update
    • Red Hat Software Collections for RHEL Workstation(v. 7) rh-ruby27-ruby-2.7.6-131.el7, rh-ruby27-ruby-devel-2.7.6-131.el7, rh-ruby27-ruby-doc-2.7.6-131.el7 +19
    • Red Hat Software Collections for RHEL(v. 7) rh-ruby27-ruby-2.7.6-131.el7, rh-ruby27-ruby-devel-2.7.6-131.el7, rh-ruby27-ruby-doc-2.7.6-131.el7 +19
  • RHSA-2022:6855 Released 2022-10-11 · Red Hat rating Moderate
    rh-ruby30-ruby security, bug fix, and enhancement update
    • Red Hat Software Collections for RHEL Workstation(v. 7) rh-ruby30-ruby-3.0.4-149.el7, rh-ruby30-ruby-default-gems-3.0.4-149.el7, rh-ruby30-ruby-devel-3.0.4-149.el7 +18
    • Red Hat Software Collections for RHEL(v. 7) rh-ruby30-ruby-3.0.4-149.el7, rh-ruby30-ruby-default-gems-3.0.4-149.el7, rh-ruby30-ruby-devel-3.0.4-149.el7 +18
  • RHSA-2022:6585 Released 2022-09-20 · Red Hat rating Moderate
    ruby security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 9) ruby-doc-3.0.4-160.el9_0
    • Red Hat Enterprise Linux AppStream (v. 9) ruby-3.0.4-160.el9_0, ruby-default-gems-3.0.4-160.el9_0, ruby-devel-3.0.4-160.el9_0 +18
  • RHSA-2022:6450 Released 2022-09-13 · Red Hat rating Moderate
    ruby:3.0 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-3.0.4-141.module+el8.6.0+16311+3e5e17e9.aarch64::ruby:3.0, ruby-3.0.4-141.module+el8.6.0+16311+3e5e17e9.i686::ruby:3.0, ruby-3.0.4-141.module+el8.6.0+16311+3e5e17e9.ppc64le::ruby:3.0 +47
  • RHSA-2022:6447 Released 2022-09-13 · Red Hat rating Moderate
    ruby:2.7 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-2.7.6-138.module+el8.6.0+16148+54b2ba8f.aarch64::ruby:2.7, ruby-2.7.6-138.module+el8.6.0+16148+54b2ba8f.i686::ruby:2.7, ruby-2.7.6-138.module+el8.6.0+16148+54b2ba8f.ppc64le::ruby:2.7 +47
  • RHSA-2022:5338 Released 2022-06-30 · Red Hat rating Moderate
    ruby:2.6 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) ruby-2.6.10-109.module+el8.6.0+15475+c55337b4.aarch64::ruby:2.6, ruby-2.6.10-109.module+el8.6.0+15475+c55337b4.i686::ruby:2.6, ruby-2.6.10-109.module+el8.6.0+15475+c55337b4.ppc64le::ruby:2.6 +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 CodeReady Linux Builder (v. 9)Fixed RHSA-2022:6585
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:5338, RHSA-2022:6447, RHSA-2022:6450, RHSA-2023:7025
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:6585
Red Hat Hardened ImagesFixed RHSA-2026:7305, RHSA-2026:7307, RHSA-2026:8838
Red Hat Software Collections for RHEL Workstation(v. 7)Fixed RHSA-2022:6855, RHSA-2022:6856
Red Hat Software Collections for RHEL(v. 7)Fixed RHSA-2022:6855, RHSA-2022:6856
Not affected: 1 product
  • Red Hat Hardened Images

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-28739
  2. 2026-10-03 Alias added: GHSA-mvgc-rxvg-hqc6
  3. 2026-11-05 Affected versions changed · Red Hat

References

Advisory 8

Other 6

Sources

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