CVE-2022-28739
7.5
HIGH
CVSS 3.1
EPSS 0.33%
Description
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.
How to fix CVE-2022-28739
To remediate CVE-2022-28739, upgrade the affected package to a fixed version below.
- Alpine/ruby—upgrade to 2.7.6-r0 or later
- Bitnami/ruby—upgrade to 2.6.10 or later
- —upgrade to 2.6.10 or later
- —upgrade to 2.7.4-1+deb11u2 or later
Is CVE-2022-28739 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 2.7.6-r0
- from 0, < 2.6.10, >= 2.7.0, < 2.7.6, >= 3.0.0, < 3.0.4, >= 3.1.0, < 3.1.2
- from 0, < 2.6.10, >= 2.7.0, < 2.7.6, >= 3.0.0, < 3.0.4, >= 3.1.0, < 3.1.2
- from 0, < 2.7.4-1+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |