CVE-2021-41816

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.

References

Affected packages

Git / github.com/ruby/cgi

Affected ranges

Type

GIT

Repo

https://github.com/ruby/cgi

Events

Introduced

Fixed

c9c800715ef268421ce7fbe9bc62d19a2ab67fee

Introduced

Last affected

8f0b2571916ed143328c1834793fe8305b891e1a

Introduced

Last affected

cf0564fe0e01f816c0602456333c82cc8bde8cf7

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.3.1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.2.0"
        },
        {
            "introduced": "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/osv-test-cve-osv-conversion/osv-output/CVE-2021-41816.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "35"
            }
        ]
    }
]