Vulnerability Database

314,615

Total vulnerabilities in the database

CVE-2002-1850

mod_cgi in Apache 2.0.39 and 2.0.40 allows local users and possibly remote attackers to cause a denial of service (hang and memory consumption) by causing a CGI script to send a large amount of data to stderr, which results in a read/write deadlock between httpd and the CGI script.

  • Published: Dec 31, 2002
  • Updated: Nov 9, 2025
  • CVE: CVE-2002-1850
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
apache / http_server 2.0.39 2.0.39.x
apache / http_server 2.0.40 2.0.40.x