CVE-2024-27280
CRITICAL 9.8
At a glance
- Source
- NVD
- EPSS
- EPSS 2.36 % · percentile 84 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Deferred
Description
A buffer-overread issue was discovered in StringIO 3.0.1, as distributed in Ruby 3.0.x through 3.0.6 and 3.1.x through 3.1.4. The ungetbyte and ungetc methods on a StringIO can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value. 3.0.3 is the main fixed version; however, for Ruby 3.0 users, a fixed version is stringio 3.0.1.1, and for Ruby 3.1 users, a fixed version is stringio 3.0.1.2.
Weaknesses (CWE)
- CWE-120 — Buffer Copy without Checking Size (Classic Buffer Overflow)
References
- https://hackerone.com/reports/1399856
- https://www.ruby-lang.org/en/news/2024/03/21/buffer-overread-cve-2024-27280/
- https://security.netapp.com/advisory/ntap-20250502-0003/
- http://seclists.org/fulldisclosure/2025/Sep/55
- http://seclists.org/fulldisclosure/2025/Sep/54
- http://seclists.org/fulldisclosure/2025/Sep/53
- https://lists.debian.org/debian-lts-announce/2024/09/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27LUWREIFTP3MQAW7QE4PJM4DPAQJWXF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XYDHPHEZI7OQXTQKTDZHGZNPIJH7ZV5N/
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Advisories
- GHSA-v5h6-c2hv-hv3r — StringIO buffer overread vulnerability
European references
- ENISA EUVD · EUVD-2024-1008
- GCVE · GCVE-0-2024-27280
CERT-FR advisories
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0855 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0791 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0055 — Multiples vulnérabilités dans Oracle PeopleSoft · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0841 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |