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CVE-2022-28739

Published: 9 May 2022

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.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
ruby3.0
Launchpad, Ubuntu, Debian
kinetic Not vulnerable

upstream
Released (3.0.4-1)
jammy
Released (3.0.2-7ubuntu2.1)
ruby2.7
Launchpad, Ubuntu, Debian
jammy Does not exist

upstream Needs triage

focal
Released (2.7.0-5ubuntu1.7)
impish
Released (2.7.4-1ubuntu3.2)
ruby2.5
Launchpad, Ubuntu, Debian
upstream Needs triage

bionic
Released (2.5.1-1ubuntu1.12)
ruby2.3
Launchpad, Ubuntu, Debian
upstream Needs triage

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N