CVE-2004-0842
Internet Explorer 6.0 SP1 and earlier, and possibly other versions, allows remote attackers to...
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."
Exploit likelihood
What each source reports
NVD Score used
7.5
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."
- Record
CVE-2004-0842- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2004-0842- Updated
- 2026-11-02
EUVDEUVD-2004-0840 No score
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."
- Record
EUVD-2004-0840- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g4xq-83hp-jc9q No score
Internet Explorer 6.0 SP1 and earlier, and possibly other versions, allows remote attackers to...
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."
- Record
GHSA-g4xq-83hp-jc9q- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Internet Explorer 5.0.1 - Style Tag Comment Memory Corruption | 2004-07-08 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-0842 is a high vulnerability (CVSS 7.5) in Microsoft Ie, published September 14, 2004. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 56.6%, the 99th percentile. No source names a fixed version.
References
marc.info?l=full-disclosure&m=109102919426844&w=2
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4169
docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-038
securiteam.com/exploits/5NP042KF5A.html
kb.cert.org/vuls/id/291304
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2906
Show 13 moreShow less
marc.info?l=full-disclosure&m=109060455614702&w=2
ecqurity.com/adv/IEstyle.html
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5592
exchange.xforce.ibmcloud.com/vulnerabilities/16675
us-cert.gov/cas/techalerts/TA04-293A.html
marc.info?l=bugtraq&m=109107496214572&w=2
secunia.com/advisories/12806
ciac.org/ciac/bulletins/p-006.shtml
securityfocus.com/bid/10816
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6579
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3372
nvd.nist.gov/vuln/detail/CVE-2004-0842
github.com/advisories/GHSA-g4xq-83hp-jc9q