Double free vulnerability in mshtml.dll for certain versions of Internet Explorer 6.x allows remote attackers to cause a denial of service (application crash) via a malformed GIF image.
https://exchange.xforce.ibmcloud.com/vulnerabilities/16804
http://www.kb.cert.org/vuls/id/685364
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-025
Source: Mitre, NVD
Published: 2004-07-27
Updated: 2026-06-16
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.26628