CVE-2000-0453

high

Description

XFree86 3.3.x and 4.0 allows a user to cause a denial of service via a negative counter value in a malformed TCP packet that is sent to port 6000.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2000-0452

http://www.securityfocus.com/bid/1235

http://archives.neohapsis.com/archives/bugtraq/2000-05/0223.html

Details

Source: Mitre, NVD

Published: 2000-05-18

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.03964