{
"id": "GHSA-5cqm-crxm-6qpv",
"aliases": [
"CVE-2021-41816"
],
"details": "A buffer overrun vulnerability was discovered in CGI.escape_html. This can lead to a buffer overflow when a user passes a very large string (> 700 MB) to CGI.escape_html on a platform where long type takes 4 bytes, typically, Windows.",
"summary": "Buffer overrun in CGI.escape_html",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0.3.0"
},
{
"fixed": "0.3.1"
}
]
}
],
"package": {
"name": "cgi",
"ecosystem": "RubyGems"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0.2.0"
},
{
"fixed": "0.2.1"
}
]
}
],
"package": {
"name": "cgi",
"ecosystem": "RubyGems"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.1.0.1"
}
]
}
],
"package": {
"name": "cgi",
"ecosystem": "RubyGems"
}
}
],
"modified": "2022-07-29T14:18:05Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"published": "2021-12-14T21:36:20Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41816",
"type": "ADVISORY"
},
{
"url": "https://github.com/ruby/cgi/commit/959ccf0b6a672bcc64aeaa60c6e1f9e728f1e87f",
"type": "WEB"
},
{
"url": "https://github.com/ruby/cgi/commit/ad079c1cb5f58eba1ffac46da79995fcf94a3a6e",
"type": "WEB"
},
{
"url": "https://github.com/ruby/cgi/commit/c6a37a671b556eb06140ea89cc465136b24207a6",
"type": "WEB"
},
{
"url": "https://github.com/ruby/cgi/commit/c728632c1c09d46cfd4ecbff9caaa3651dd1002a",
"type": "WEB"
},
{
"url": "https://hackerone.com/reports/1328463",
"type": "WEB"
},
{
"url": "https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816",
"type": "WEB"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220303-0006",
"type": "WEB"
},
{
"url": "https://security.gentoo.org/glsa/202401-27",
"type": "WEB"
},
{
"url": "https://security-tracker.debian.org/tracker/CVE-2021-41816",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/[email protected] /message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/[email protected] /message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF",
"type": "WEB"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN",
"type": "WEB"
},
{
"url": "https://groups.google.com/g/ruby-security-ann/c/4MQ568ZG47c",
"type": "WEB"
},
{
"url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2021-41816.yml",
"type": "WEB"
},
{
"url": "https://github.com/ruby/cgi",
"type": "PACKAGE"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-190"
],
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": "2022-02-06T21:15:00Z",
"github_reviewed_at": "2021-12-14T21:34:08Z"
}
}