CVE-2004-0642

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-09-28 · updated 2026-06-16
Weakness: CWE-415

Description

Double free vulnerabilities in the error handling code for ASN.1 decoders in the (1) Key Distribution Center (KDC) library and (2) client library for MIT Kerberos 5 (krb5) 1.3.4 and earlier may allow remote attackers to execute arbitrary code.

Affected products

Debian Linux: 3.0
MIT Kerberos 5: through 1.3.4
RedHat Enterprise Linux Desktop: 3.0
RedHat Enterprise Linux Server: 3.0
RedHat Enterprise Linux Workstation: 3.0

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000860
http://marc.info/?l=bugtraq&m=109508872524753&w=2
http://rhn.redhat.com/errata/RHSA-2004-350.html
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2004-002-dblfree.txt
http://www.debian.org/security/2004/dsa-543
http://www.gentoo.org/security/en/glsa/glsa-200409-09.xml
http://www.kb.cert.org/vuls/id/795632
http://www.securityfocus.com/bid/11078
http://www.trustix.net/errata/2004/0045/
http://www.us-cert.gov/cas/techalerts/TA04-247A.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/17157
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10709

Get alerted when CVE-2004-0642 or the next vulnerability affects your stack