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Fencer Vulns
medium 5.0

CVE-2005-1174 json

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application cra…

published 2005-07-16 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-1177

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

Patch / fix

  • krb5 Debian 14, Debian 13, Debian 12 1.3.6-4

debian advisories DEBIAN-CVE-2005-1174

  • krb5 RHEL 4 1.3.4-17
  • krb5-libs RHEL 4 1.3.4-17
  • krb5-server RHEL 4 1.3.4-17
  • krb5-workstation RHEL 4 1.3.4-17

red hat advisories RHSA-2005:567

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2005-1174 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 krb5 1.3.4-17, krb5-libs 1.3.4-17, krb5-server 1.3.4-17, krb5-workstation 1.3.4-17 Red Hat Enterprise Linux Desktop version 4 krb5 1.3.4-17, krb5-libs 1.3.4-17, krb5-server 1.3.4-17, krb5-workstation 1.3.4-17 Red Hat Enterprise Linux ES version 4 krb5 1.3.4-17, krb5-libs 1.3.4-17, krb5-server 1.3.4-17, krb5-workstation 1.3.4-17 Red Hat Enterprise Linux WS version 4 krb5 1.3.4-17, krb5-libs 1.3.4-17, krb5-server 1.3.4-17, krb5-workstation 1.3.4-17
    fixed: vendor fix RHSA-2005:567

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.22% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.