CVE-2003-0525

CVE-2003-0525 is a medium-severity vulnerability in Microsoft Windows Nt with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The getCanonicalPath function in Windows NT 4.0 may free memory that it does not own and cause heap corruption, which allows attackers to cause a denial of service (crash) via requests that cause a long file name to be passed to getCanonicalPath, as demonstrated on the IBM JVM using a long string to the java.io.getCanonicalPath Java method.

Frequently asked questions

What is CVE-2003-0525?
The getCanonicalPath function in Windows NT 4.0 may free memory that it does not own and cause heap corruption, which allows attackers to cause a denial of service (crash) via requests that cause a long file name to be passed to getCanonicalPath, as demonstrated on the IBM JVM using a long string to the java.io.getCanonicalPath Java method.
How severe is CVE-2003-0525?
CVE-2003-0525 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0525 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0525?
CVE-2003-0525 primarily affects Microsoft Windows Nt. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0525?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0525 published?
CVE-2003-0525 was published on 2003-08-27 and last updated on 2026-06-16.

References

Affected products (23)

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