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.
CVE-2024-27282
Score 6.6 from GitHub Security Advisory published 2024-05-14. NVD baseline CVSS 6.6; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.6
- EG Score
- 6.6(medium)
- EPSS
- 46.4%
- KEV
- Not listed
Published
May 14, 2024
Last Modified
April 15, 2026
References (8)
- cve@mitrehttps://hackerone.com/reports/2122624
- cve@mitrehttps://www.ruby-lang.org/en/news/2024/04/23/arbitrary-memory-address-read-regexp-cve-2024-27282/
- af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/2122624
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/09/msg00000.html
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27LUWREIFTP3MQAW7QE4PJM4DPAQJWXF/
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XYDHPHEZI7OQXTQKTDZHGZNPIJH7ZV5N/
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20241011-0007/
- af854a3a-2127-422b-91ae-364da2661108https://www.ruby-lang.org/en/news/2024/04/23/arbitrary-memory-address-read-regexp-cve-2024-27282/
Vendor Advisories for CVE-2024-27282(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2026:8838Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- RHSA-2026:7307Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- RHSA-2026:7305Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- RHSA-2024:4499Red Hat Product SecurityMedium
Red Hat Security Advisory: ruby security update
Patch Availability(12)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | ruby3.1-doc (3.1.2-7ubuntu3.2) @ mantic | 2026-05-22 | ubuntu |
| ubuntu | ruby3.3-doc (3.3.7-1ubuntu2.1) @ plucky | 2026-05-22 | ubuntu |
| redhat | ruby4-0-main-4.0.0-33.3.hum1 | 2026-04-17 | redhat |
| redhat | ruby3-3-main-3.3.10-23.1.hum1 | 2026-04-09 | redhat |
| redhat | ruby3-4-main-3.4.8-31.1.hum1 | 2026-04-09 | redhat |
| redhat | ruby:2.5-8100020240627152904.489197e6 | 2024-07-11 | redhat |
| redhat | ruby-0:3.0.7-162.el9_4 | 2024-06-11 | redhat |
| redhat | ruby:3.1-9040020240503183840.9 | 2024-06-06 | redhat |
| redhat | ruby:3.3-8100020240522151542.489197e6 | 2024-06-06 | redhat |
| redhat | ruby:3.3-9040020240522171337.9 | 2024-06-06 | redhat |
| redhat | ruby:3.1-8100020240510101534.489197e6 | 2024-06-03 | redhat |
| redhat | ruby:3.0-8100020240522072634.489197e6 | 2024-05-30 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(9)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Microsoft MSRCCVE-2024-272822024-05-14
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.
- Red HatRHSA-2024:3500MODERATE2024-04-23
RHSA-2024:3500 — Moderate
- Red HatRHSA-2024:3546MODERATE2024-04-23
RHSA-2024:3546 — Moderate
- Red HatRHSA-2024:3668MODERATE2024-04-23
RHSA-2024:3668 — Moderate
- Red HatRHSA-2024:3670MODERATE2024-04-23
RHSA-2024:3670 — Moderate
- Red HatRHSA-2024:3671MODERATE2024-04-23
RHSA-2024:3671 — Moderate
- Red HatRHSA-2024:3838MODERATE2024-04-23
RHSA-2024:3838 — Moderate
- UbuntuUSN-6838-1MEDIUM
Ruby vulnerabilities
- UbuntuUSN-7734-1MEDIUM
Ruby vulnerabilities
Data Freshness Timeline
(refreshed 10× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 130 total refreshes for this CVE.
- 2026-07-22 14:07 UTCEPSS rescore
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- 2026-07-06 16:26 UTCEPSS rescore
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- 2026-06-22 13:26 UTCOSV refresh
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- 2026-06-04 20:39 UTCOSV refresh
- 2026-06-04 13:11 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2024-27282?
When was CVE-2024-27282 disclosed?
Is CVE-2024-27282 actively exploited?
What is the CVSS score of CVE-2024-27282?
How do I remediate CVE-2024-27282?
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