CVE-2021-41816

Katalog CVE

CVSS 9.8 · Critical EPSS 4,9%

Kerentanan Integer Overflow or Wraparound pada ruby-lang cgi, fedoraproject fedora. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

CGI.escape_html 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 size_t and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.

Rincian

Terbit di NVD

6 Februari 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

4,9% peluang dieksploitasi; lebih tinggi dari 91,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/ exploit · advisory vendor
• https://hackerone.com/reports/1328463 permissions required · advisory pihak ketiga
• https://security-tracker.debian.org/tracker/CVE-2021-41816 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220303-0006/ advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANC...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3...
• https://security.gentoo.org/glsa/202401-27