USN-6087-1
Dashboard / Vulnerabilities / USN-6087-1
USN-6087-1
Published: 18 May 2023Last Modified: 25 Jun 2026
Summary: ruby2.3, ruby2.5, ruby2.7 vulnerabilities
Details: It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-28755) It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possily use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 ESM. (CVE-2023-28756)
References: https://ubuntu.com/security/notices/USN-6087-1, https://ubuntu.com/security/CVE-2023-28755, https://ubuntu.com/security/CVE-2023-28756
Affected packages
Package
Name: ruby2.3
Purl: pkg:deb/ubuntu/ruby2.3?arch=source&distro=esm-infra%2Fxenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -2.3.1-2~ubuntu16.04.16+esm7
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
2.3.1-2~ubuntu16.04.16
2.3.1-2~ubuntu16.04.16+esm1
2.3.1-2~ubuntu16.04.16+esm2
2.3.1-2~ubuntu16.04.16+esm3
2.3.1-2~ubuntu16.04.16+esm4
2.3.1-2~ubuntu16.04.16+esm5
2.3.1-2~ubuntu16.04.16+esm6
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
