Out-of-bounds Read Affecting ruby package, versions <2.7.6-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.51% (77th percentile)

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  • Snyk IDSNYK-ALPINE312-RUBY-2635663
  • published13 Apr 2022
  • disclosed9 May 2022

Introduced: 13 Apr 2022

CVE-2022-28739  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Alpine:3.12 ruby to version 2.7.6-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby package and not the ruby package as distributed by Alpine. See How to fix? for Alpine:3.12 relevant fixed versions and status.

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.

CVSS Scores

version 3.1