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CVE-2014-4342

17
FAUCET Score

CVE-2014-4342 is a denial-of-service vulnerability affecting MIT Kerberos 5 versions 1.7.x through 1.12.x before 1.12.2, as well as Debian, MIT, and Red Hat distributions. An unauthenticated remote attacker can exploit this by injecting invalid tokens into a GSSAPI application session, leading to a buffer over-read, NULL pointer dereference, and application crash. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring low attack complexity and resulting in partial availability impact. There is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
5-1.8CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:5-1.8:alpha1:*:*:*:*:*:*
5-1.10.5CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:5-1.10.5:*:*:*:*:*:*:*
5-1.10.6CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:5-1.10.6:*:*:*:*:*:*:*
5-1.10.7CPE matchmatch criteria
cpe:2.3:a:mit:kerberos:5-1.10.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.52%
Probability of exploitation in next 30 days
EPSS Percentile
93.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0652 is in the 90th percentile among its peer group of 23,701 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 0.4 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 (4)

github_advisorypatch availablevia nvd_reference
View patch
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: krb5-0:1.10.3-33.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: krb5-0:1.12.2-14.el7
View patch

Vendor Advisories (1)

redhatCVE-2014-4342Low

krb5: denial of service flaws when handling RFC 1964 tokens

Jun 26, 2014

References

advisories.mageia.org / MGASA-2014-0345.html
Third Party Advisory
krbdev.mit.edu / rt/Ticket/Display.html
Issue TrackingVendor Advisory
rhn.redhat.com / errata/RHSA-2015-0439.html
Third Party Advisory
secunia.com / advisories/59102
Not Applicable
secunia.com / advisories/60082
Not Applicable
exchange.xforce.ibmcloud.com / vulnerabilities/94903
Third Party AdvisoryVDB Entry
github.com / krb5/krb5/commit/e6ae703ae597d798e310368d52b8f38ee11c6a73
Issue TrackingPatchThird Party Advisory
debian.org / security/2014/dsa-3000
Third Party Advisory
mandriva.com / security/advisories
Third Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2017-3236626.html
PatchThird Party AdvisoryVDB Entry
securityfocus.com / bid/68908
Third Party AdvisoryVDB Entry
securitytracker.com / id/1030706
Third Party AdvisoryVDB Entry