CVE-2025-27220

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Source
https://cve.org/CVERecord?id=CVE-2025-27220
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-27220.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-27220
Aliases
Downstream
AZL (2)
CGA (68)
CLEANSTART (2)
CLSA (1)
DEBIAN (1)
ECHO (1)
MGASA (1)
MINI (13)
OESA (5)
RHSA (3)
RLSA (3)
SUSE (2)
UBUNTU (1)
Related
ALSA (2)
SUSE (2)
Published
2025-03-03T00:00:00Z
Modified
2026-10-21T02:52:19Z
Severity
  • 4.0 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.

Database specific 
{
    "cna_assigner":  "mitre",
    "cwe_ids":  [
        "CWE-1333"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27220.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "fixed":  "0.3.5.1"
                        },
                        {
                            "introduced":  "0.3.6"
                        },
                        {
                            "fixed":  "0.3.7"
                        },
                        {
                            "introduced":  "0.4.0"
                        },
                        {
                            "fixed":  "0.4.2"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/ruby/cgi

Affected ranges

Type
GIT
Repo
https://github.com/ruby/cgi
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
9f7e78ece68a2cab7531d5e1111ec2e4d5344ad9
Introduced
6ddd5fc7d76b43b518b51277aecfb77fb5cad9ba
Fixed
ab84b7fe6624faeba21fb52acac33ea678366e11
Introduced
827b7d43cceafa3a05a22d786d63671d27e0d5bc
Last Affected
827b7d43cceafa3a05a22d786d63671d27e0d5bc
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "0.3.5.1"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*",
            "range":  [
                {
                    "introduced":  "0.4.0"
                },
                {
                    "fixed":  "0.4.2"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:ruby-lang:cgi:0.3.6:*:*:*:*:ruby:*:*",
            "range":  [
                {
                    "introduced":  "0.3.6"
                },
                {
                    "last_affected":  "0.3.6"
                }
            ],
            "source":  "CPE_STRING"
        }
    ]
}

Affected versions

0.*
0.3.6
v0.*
v0.1.0
v0.2.0
v0.3.0
v0.3.1
v0.3.2
v0.3.3
v0.3.4
v0.3.5
v0.3.6
v0.4.0
v0.4.1
v0.4.2.beta1
v0.4.2.beta2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-27220.json"