CVE-2004-0523

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier...

10.0 HighFix available

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.

Exploit likelihood

11.7%Down 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 10.0

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.

Record: CVE-2004-0523
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Updated: 2026-11-02

CVE List No score

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.

Record: CVE-2004-0523
Updated: 2026-11-02

EUVDEUVD-2004-0522 No score

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.

Record: EUVD-2004-0522
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gmh3-2x3j-5mm2 No score

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier...

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.

Record: GHSA-gmh3-2x3j-5mm2
Updated: 2026-11-02

OSV No score

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.

Record: CVE-2004-0523
Updated: 2026-11-02

OSVDEBIAN-CVE-2004-0523 No score

Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.

Record: DEBIAN-CVE-2004-0523
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`krb5` Debian:12	before 1.3.3-2	1.3.3-2
`krb5` Debian:13	before 1.3.3-2	1.3.3-2
`krb5` Debian:14	before 1.3.3-2	1.3.3-2
`krb5` Debian:3.0	before 1.2.4-5woody5	1.2.4-5woody5
`krb5` Red Hat:enterprise_linux:3::as	before 0:1.2.7-24	0:1.2.7-24
`krb5-debuginfo` Red Hat:enterprise_linux:3::as	before 0:1.2.7-24	0:1.2.7-24
`krb5-devel` Red Hat:enterprise_linux:3::as	before 0:1.2.7-24	0:1.2.7-24
`krb5-libs` Red Hat:enterprise_linux:3::as	before 0:1.2.7-24	0:1.2.7-24
`krb5-server` Red Hat:enterprise_linux:3::as	before 0:1.2.7-24	0:1.2.7-24
`krb5-workstation` Red Hat:enterprise_linux:3::as	before 0:1.2.7-24	0:1.2.7-24

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Affected packages
Package	Affected	Fixed
`krb5` Red Hat:enterprise_linux:3::desktop	before 0:1.2.7-24	0:1.2.7-24
`krb5-debuginfo` Red Hat:enterprise_linux:3::desktop	before 0:1.2.7-24	0:1.2.7-24
`krb5-devel` Red Hat:enterprise_linux:3::desktop	before 0:1.2.7-24	0:1.2.7-24
`krb5-libs` Red Hat:enterprise_linux:3::desktop	before 0:1.2.7-24	0:1.2.7-24
`krb5-server` Red Hat:enterprise_linux:3::desktop	before 0:1.2.7-24	0:1.2.7-24
`krb5-workstation` Red Hat:enterprise_linux:3::desktop	before 0:1.2.7-24	0:1.2.7-24
`krb5` Red Hat:enterprise_linux:3::es	before 0:1.2.7-24	0:1.2.7-24
`krb5-debuginfo` Red Hat:enterprise_linux:3::es	before 0:1.2.7-24	0:1.2.7-24
`krb5-devel` Red Hat:enterprise_linux:3::es	before 0:1.2.7-24	0:1.2.7-24
`krb5-libs` Red Hat:enterprise_linux:3::es	before 0:1.2.7-24	0:1.2.7-24
`krb5-server` Red Hat:enterprise_linux:3::es	before 0:1.2.7-24	0:1.2.7-24
`krb5-workstation` Red Hat:enterprise_linux:3::es	before 0:1.2.7-24	0:1.2.7-24
`krb5` Red Hat:enterprise_linux:3::ws	before 0:1.2.7-24	0:1.2.7-24
`krb5-debuginfo` Red Hat:enterprise_linux:3::ws	before 0:1.2.7-24	0:1.2.7-24
`krb5-devel` Red Hat:enterprise_linux:3::ws	before 0:1.2.7-24	0:1.2.7-24
`krb5-libs` Red Hat:enterprise_linux:3::ws	before 0:1.2.7-24	0:1.2.7-24
`krb5-server` Red Hat:enterprise_linux:3::ws	before 0:1.2.7-24	0:1.2.7-24
`krb5-workstation` Red Hat:enterprise_linux:3::ws	before 0:1.2.7-24	0:1.2.7-24

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2004-0523 is a high vulnerability (CVSS 10.0) in Mit Kerberos, published June 3, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 11.7%, the 96th percentile. Fixed in krb5 1.3.3-2.

References

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