CVE-2003-1048

CVE-2003-1048 is a high-severity vulnerability in Microsoft Internet Explorer with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 27% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-415.

Key facts

Description

Double free vulnerability in mshtml.dll for certain versions of Internet Explorer 6.x allows remote attackers to cause a denial of service (application crash) via a malformed GIF image.

Frequently asked questions

What is CVE-2003-1048?
Double free vulnerability in mshtml.dll for certain versions of Internet Explorer 6.x allows remote attackers to cause a denial of service (application crash) via a malformed GIF image.
How severe is CVE-2003-1048?
CVE-2003-1048 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2003-1048 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1048?
CVE-2003-1048 primarily affects Microsoft Internet Explorer. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1048?
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-2003-1048 published?
CVE-2003-1048 was published on 2004-07-27 and last updated on 2026-06-16.

References

Affected products (18)

More vulnerabilities in Microsoft Internet Explorer

All CVEs affecting Microsoft Internet Explorer →

Other CWE-415 (Double Free) vulnerabilities

Browse all CWE-415 (Double Free) vulnerabilities →