CVE-2004-0842

medium

Description

Internet Explorer 6.0 SP1 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (application crash from "memory corruption") via certain malformed Cascading Style Sheet (CSS) elements that trigger heap-based buffer overflows, as demonstrated using the "<STYLE>@;/*" string, possibly due to a missing comment terminator that may cause an invalid length to trigger a large memory copy operation, aka the "CSS Heap Memory Corruption Vulnerability."

References

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6579

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5592

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4169

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3372

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2906

https://exchange.xforce.ibmcloud.com/vulnerabilities/16675

https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-0840

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-038

http://www.us-cert.gov/cas/techalerts/TA04-293A.html

http://www.securityfocus.com/bid/10816

http://www.securiteam.com/exploits/5NP042KF5A.html

http://www.kb.cert.org/vuls/id/291304

http://www.ecqurity.com/adv/IEstyle.html

http://www.ciac.org/ciac/bulletins/p-006.shtml

http://secunia.com/advisories/12806

http://marc.info/?l=full-disclosure&m=109102919426844&w=2

http://marc.info/?l=full-disclosure&m=109060455614702&w=2

http://marc.info/?l=bugtraq&m=109107496214572&w=2

Details

Source: Mitre, NVD

Published: 2004-12-23

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.56607