CVE-2004-1312

What it is

A bug in the HTML parser in a certain Microsoft HTML library, as used in various third party products, may allow remote attackers to cause a denial of service via certain strings, as reported in GFI MailEssentials for Exchange 9 and 10, and GFI MailSecurity for Exchange 8, which causes emails to remain in IIS or Exchange mail queues.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

2.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2005-01-03 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:07 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.5% in the next 30 days (EPSS).
• Severity: 10.0 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2005-01-03 05:00 UTC

Last modified

2026-06-16 22:07 UTC

Exploit probability

2.5% · EPSS, next 30 days

Record status

Modified

Affected

• Gfi Mailessentials 9.0
• Gfi Mailessentials 10.0
• Gfi Mailessentials 10.1
• Gfi Mailsecurity 8.0

Attack profile CVSS 2.0 · 10.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2004-1312.md and follow it. Check whether this project is affected by CVE-2004-1312. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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