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Vulnerability record · CVE-2003-0525 · published 27 August 2003

CVE-2003-0525: Microsoft windows nt vulnerability

Microsoft · Windows Nt

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.

5.0 CVSS 2.0 Medium EPSS 7.7% · top 5.6%
5.0CVSS 2.0 base score
7.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.atstake.com/research/advisories/2003/a072303-1.txt Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-029
https://exchange.xforce.ibmcloud.com/vulnerabilities/12701
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A319
http://www.atstake.com/research/advisories/2003/a072303-1.txt Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-029
https://exchange.xforce.ibmcloud.com/vulnerabilities/12701
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A319

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-0525), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.