Paper/Archive/CVE-2024-27280

CVE-2024-27280

ruby-lang ruby — 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.

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA
ruby3.0.3 – 3.0.6–CISA-ADP

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refhackerone.com/reports/1399856refruby-lang.org/en/news/2024/03/21/buffer-overread-cve-2024-27280refsecurity.netapp.com/advisory/ntap-20250502-0003refseclists.org/fulldisclosure/2025/Sep/55refseclists.org/fulldisclosure/2025/Sep/54refseclists.org/fulldisclosure/2025/Sep/53reflists.debian.org/debian-lts-announce/2024/09/msg00000.htmlreflists.fedoraproject.org/archives/list/[email protected]/message/27LUWREIFTP3MQAW7QE4PJM4DPAQJWXFreflists.fedoraproject.org/archives/list/[email protected]/message/XYDHPHEZI7OQXTQKTDZHGZNPIJH7ZV5N