# CVE-2003-0544

## Summary

- **CVE ID:** CVE-2003-0544
- **Severity:** UNKNOWN
- **CVSS Score:** 1.05
- **CWE:** N/A
- **Published:** Oct 1, 2003
- **Last Modified:** Mar 16, 2026

## Description

OpenSSL 0.9.6 and 0.9.7 does not properly track the number of characters in certain ASN.1 inputs, which allows remote attackers to cause a denial of service (crash) via an SSL client certificate that causes OpenSSL to read past the end of a buffer when the long form is used.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.redhat.com/support/errata/RHSA-2003-292.html)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4574)
- [CNA](http://www.kb.cert.org/vuls/id/380864)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/43041)
- [CNA](http://www.vupen.com/english/advisories/2006/3900)
- [CNA](http://www.debian.org/security/2003/dsa-393)
- [CNA](http://www-1.ibm.com/support/docview.wss?uid=swg21247112)
- [CNA](http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm)
- [CNA](http://www.debian.org/security/2003/dsa-394)
- [CNA](http://www.redhat.com/support/errata/RHSA-2003-291.html)
- [CNA](http://www.cert.org/advisories/CA-2003-26.html)
- [CNA](http://secunia.com/advisories/22249)
- [CNA](http://www.securityfocus.com/bid/8732)
- [CNA](http://sunsolve.sun.com/search/document.do?assetkey=1-66-201029-1)
- [CNA](http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893)
- [CNA](http://www.linuxsecurity.com/advisories/engarde_advisory-3693.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 26.19%
- **EPSS Percentile:** 96.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._