CVE-2022-28739
High
Published: 09 May 2022
Published
09 May 2022
Modified
04 November 2025
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.0033
56.5th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2022-28739 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Ruby-Lang Ruby. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 43.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33178
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
ruby-lang
ruby
≤ 2.6.10 · 2.7.0 — 2.7.6 · 3.0.0 — 3.0.4
debian
debian linux
10.0, 11.0, 9.0
apple
macos
11.0 — 11.7.1 · 12.0 — 12.6.1
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.