ruby2.5 (SUSE:Linux Enterprise Server 15 SP3-LTSS) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the SUSE:Linux Enterprise Server 15 SP3-LTSS package ruby2.5, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (16)

• CVE-2021-33621 — CVSS 8.8 (high): The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to…
• CVE-2024-49761 — CVSS 7.5 (high): REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between…
• CVE-2021-41817 — CVSS 7.5 (high): Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions…
• CVE-2025-6442 — CVSS 5.9 (medium): Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP…
• CVE-2024-43398 — CVSS 5.9 (medium): REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that…
• CVE-2025-27219 — CVSS 5.8 (medium): In the CGI gem before 0.4.2 for Ruby, the CGI::Cookie.parse method in the CGI library contains a potential Denial of Service (DoS)…
• CVE-2023-28756 — CVSS 5.3 (medium): A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have…
• CVE-2024-41123 — CVSS 5.3 (medium): REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific…
• CVE-2024-41946 — CVSS 5.3 (medium): REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with…
• CVE-2023-28755 — CVSS 5.3 (medium): A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have…
• CVE-2024-35176 — CVSS 5.3 (medium): REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many `<`s…
• CVE-2024-35221 — CVSS 4.3 (medium): Rubygems.org is the Ruby community's gem hosting service. A Gem publisher can cause a Remote DoS when publishing a Gem. This is due to how…
• CVE-2024-39908 — CVSS 4.3 (medium): REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific…
• CVE-2025-27220 — CVSS 4.0 (medium): In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.
• CVE-2025-27221 — CVSS 3.2 (low): In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication…
• CVE-2024-47220: An issue was discovered in the WEBrick toolkit through 1.8.1 for Ruby. It allows HTTP request smuggling by providing both a Content-Length…