Unrated severityNVD Advisory· Published Mar 24, 2003· Updated Jun 16, 2026
CVE-2003-0138
CVE-2003-0138
Description
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3Patches
Vulnerability mechanics
References
12- web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txtnvdPatchVendor Advisory
- www.debian.org/security/2003/dsa-266nvdPatchVendor Advisory
- www.kb.cert.org/vuls/id/623217nvdPatchThird Party AdvisoryUS Government Resource
- marc.infonvd
- www.debian.org/security/2003/dsa-269nvd
- www.debian.org/security/2003/dsa-273nvd
- www.redhat.com/support/errata/RHSA-2003-051.htmlnvd
- www.redhat.com/support/errata/RHSA-2003-052.htmlnvd
- www.redhat.com/support/errata/RHSA-2003-091.htmlnvd
- www.securityfocus.com/archive/1/316960/30/25250/threadednvd
- www.securityfocus.com/bid/7113nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A248nvd
News mentions
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