# CVE-2003-1013

## Summary

- **CVE ID:** CVE-2003-1013
- **Severity:** UNKNOWN
- **CVSS Score:** 0.18
- **CWE:** N/A
- **Published:** Dec 17, 2003
- **Last Modified:** Mar 16, 2026

## Description

The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.ethereal.com/appnotes/enpa-sa-00012.html)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A857)
- [CNA](ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc)
- [CNA](http://www.mandriva.com/security/advisories?name=MDKSA-2004:002)
- [CNA](http://www.redhat.com/support/errata/RHSA-2004-001.html)
- [CNA](http://secunia.com/advisories/10568)
- [CNA](http://www.redhat.com/support/errata/RHSA-2004-002.html)
- [CNA](http://secunia.com/advisories/10531)
- [CNA](http://www.debian.org/security/2003/dsa-407)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10097)
- [CNA](http://secunia.com/advisories/10570)
- [CNA](ftp://patches.sgi.com/support/free/security/advisories/20040103-01-U.asc)
- [CNA](http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000801)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 4.46%
- **EPSS Percentile:** 88.8

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