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CVE-2013-1416

14
FAUCET Score

CVE-2013-1416 describes a denial-of-service vulnerability in the Key Distribution Center (KDC) of MIT Kerberos 5 versions prior to 1.10.5, also affecting Fedora, OpenSUSE, and Red Hat. An authenticated remote attacker can trigger a NULL pointer dereference and crash the KDC daemon by sending a specially crafted TGS-REQ request due to improper service-principal realm referral handling. This vulnerability has a CVSS score of 4.0, indicating a low severity with network access, low attack complexity, requiring authentication, and resulting in partial availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.10.5CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
11.4CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
12.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*
12.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.92%
Probability of exploitation in next 30 days
EPSS Percentile
85.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0292 is in the 95th percentile among its peer group of 21,977 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: krb5-0:1.10.3-10.el6_4.2
View patch
redhatno patchvia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2Fixed in: krb5

Vendor Advisories (1)

redhatCVE-2013-1416Moderate

krb5: NULL pointer dereference (DoS, KDC crash) by processing certain TGS requests

Mar 29, 2013

References

krbdev.mit.edu / rt/Ticket/Display.html
Vendor Advisory
lists.fedoraproject.org / pipermail/package-announce/2013-April/102058.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2013-April/102074.html
Third Party Advisory
lists.opensuse.org / opensuse-updates/2013-05/msg00011.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2013-06/msg00041.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2013-06/msg00102.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2013-0748.html
Third Party Advisory
github.com / krb5/krb5/commit/8ee70ec63931d1e38567905387ab9b1d45734d81
PatchThird Party Advisory
mandriva.com / security/advisories
Third Party Advisory
mandriva.com / security/advisories
Third Party Advisory