HighFix available
ruby — security advisory
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.
- Products
- ruby
- Affected versions
- Not specified
- Fixed versions
- 2.7.6-r0, 3.0.4-r0, 3.1.2-r0
- CVEs
- CVE-2022-28739
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:11 UTC · Revision 1
Source evidence
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.
osv:ALPINE-CVE-2022-28739
ruby
Fixed versions: 2.7.6-r0
ruby
Fixed versions: 2.7.6-r0
ruby
Fixed versions: 2.7.6-r0
ruby
Fixed versions: 3.0.4-r0
ruby
Fixed versions: 3.1.2-r0
ruby
Fixed versions: 3.1.2-r0
ruby
Fixed versions: 3.1.2-r0
ruby
Fixed versions: 3.1.2-r0
ruby
Fixed versions: 3.1.2-r0
ruby
Fixed versions: 3.1.2-r0
ruby
Fixed versions: 3.1.2-r0
ruby
Fixed versions: 3.1.2-r0
ruby
Fixed versions: 3.1.2-r0
Complete source record
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"severity": "high",
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"modified": "2026-10-15T07:17:54.200950567Z",
"provider": "osv",
"upstream": [
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"references": [
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},
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"evidence": "/upstream"
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"source_id": "core-osv",
"document_id": 321821,
"published_at": "2022-05-09T18:15:08.54+00:00"
}