CVEvulnerability
CVE-2021-28965
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Description
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.
Affected configurations
• ruby-lang rexml (< 3.2.5)
• ruby-lang ruby (< 2.6.7)
• ruby-lang ruby (>= 2.7.0 < 2.7.3)
• ruby-lang ruby (>= 3.0.0 < 3.0.1)
• fedoraproject fedora 34
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WTVFTLFVCSUE5CXHINJEUCKSHU4SWDMT/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20210528-0003/ Third Party Advisory
- https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/ Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WTVFTLFVCSUE5CXHINJEUCKSHU4SWDMT/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20210528-0003/ Third Party Advisory
- https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/ Vendor Advisory