UBUNTU-CVE-2021-28965
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-28965
UBUNTU-CVE-2021-28965
Published: 12 Apr 2021Last Modified: 22 Apr 2026
Upstream:
Aliases:
Summary:
Details: The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.
References: https://ubuntu.com/security/CVE-2021-28965, https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/, https://ubuntu.com/security/notices/USN-4922-1, https://ubuntu.com/security/notices/USN-4922-2, https://www.cve.org/CVERecord?id=CVE-2021-28965
Affected packages
Package
Name: ruby2.3
Purl: pkg:deb/ubuntu/[email protected]~ubuntu16.04.16?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -2.3.1-2~ubuntu16.04.16
Affected versions
2.3.0-1
2.3.0-2
2.3.0-4ubuntu2
2.3.0-4ubuntu3
2.3.0-5ubuntu1
2.3.1-2~16.04
2.3.1-2~16.04.2
2.3.1-2~16.04.4
2.3.1-2~16.04.5
2.3.1-2~16.04.6
2.3.1-2~16.04.7
2.3.1-2~16.04.9
2.3.1-2~16.04.10
2.3.1-2~16.04.11
2.3.1-2~16.04.12
2.3.1-2~ubuntu16.04.13
2.3.1-2~ubuntu16.04.14
2.3.1-2~ubuntu16.04.15
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
