CVE-2005-0554

CVE-2005-0554 is a high-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 58% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Buffer overflow in the URL processor of Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a URL with a long hostname, aka "URL Parsing Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2005-0554?
Buffer overflow in the URL processor of Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a URL with a long hostname, aka "URL Parsing Memory Corruption Vulnerability."
How severe is CVE-2005-0554?
CVE-2005-0554 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-0554 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 58% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0554?
CVE-2005-0554 primarily affects Microsoft Internet Explorer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0554?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-0554 published?
CVE-2005-0554 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (3)

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