CVE-2021-41816 – cgi

Package

Manager: gem
Name: cgi
Vulnerable Version: >=0.3.0 <0.3.1 || >=0.2.0 <0.2.1 || >=0 <0.1.0.1

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.01587 pctl0.80877

Details

Buffer overrun in CGI.escape_html 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.

Metadata

Created: 2021-12-14T21:36:20Z
Modified: 2022-07-29T14:18:05Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/12/GHSA-5cqm-crxm-6qpv/GHSA-5cqm-crxm-6qpv.json
CWE IDs: ["CWE-190"]
Alternative ID: GHSA-5cqm-crxm-6qpv
Finding: F111
Auto approve: 1