CVE-2004-2434

CVE-2004-2434 is a medium-severity vulnerability in Microsoft Ie with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with "::{" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using "Save As" and Internet Explorer prepares an error message with an attacker-controlled format string.

Frequently asked questions

What is CVE-2004-2434?
Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service (browser crash) via a link with "::{" (colon colon left brace), which triggers a null dereference when the user attempts to save the link using "Save As" and Internet Explorer prepares an error message with an attacker-controlled format string.
How severe is CVE-2004-2434?
CVE-2004-2434 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-2434 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2434?
CVE-2004-2434 affects Microsoft Ie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2434?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2434 published?
CVE-2004-2434 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

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