CVE-2021-41816

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2021-41816
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41816.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-41816
Aliases
Downstream
Related
Published
2022-02-06T21:15:07.887Z
Modified
2026-07-08T06:00:13.008022754Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

CGI.escapehtml in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where sizet and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "34"
                },
                {
                    "last_affected": "34"
                },
                {
                    "introduced": "35"
                },
                {
                    "last_affected": "35"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ]
        }
    ]
}
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
c9c800715ef268421ce7fbe9bc62d19a2ab67fee
Last affected
8f0b2571916ed143328c1834793fe8305b891e1a
Last affected
cf0564fe0e01f816c0602456333c82cc8bde8cf7
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.3.1"
        },
        {
            "last_affected": "0.2.0"
        },
        {
            "last_affected": "0.1.0"
        }
    ]
}

Affected versions

v0.*
v0.1.0
v0.2.0
v0.3.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41816.json"