Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-2697

17
FAUCET Score

CVE-2015-2697 describes an out-of-bounds read vulnerability in MIT Kerberos 5 (krb5) versions prior to 1.14, affecting various distributions including Debian, Oracle, and SUSE. An authenticated attacker can trigger a denial of service (KDC crash) by sending a specially crafted TGS request containing an initial null character in a long realm field. With a CVSS score of 4.0, this vulnerability is of low severity, requiring authentication and having a low attack complexity, impacting only availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.14CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
11.3CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
15.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*

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
4.13%
Probability of exploitation in next 30 days
EPSS Percentile
89.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0413 is in the 97th percentile among its peer group of 21,974 CVEs.

Social Chatter

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
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: krb5
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: krb5

Vendor Advisories (1)

redhatCVE-2015-2697Moderate

krb5: build_principal() memory flaw

Sep 25, 2015

References

krbdev.mit.edu / rt/Ticket/Display.html
Vendor Advisory
lists.opensuse.org / opensuse-security-announce/2015-11/msg00006.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-11/msg00014.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-11/msg00022.html
Mailing ListThird Party Advisory
github.com / krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789
PatchThird Party Advisory
security.gentoo.org / glsa/201611-14
Third Party Advisory
debian.org / security/2015/dsa-3395
Third Party Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
Third Party Advisory
securityfocus.com / bid/77581
Third Party AdvisoryVDB Entry
securitytracker.com / id/1034084
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2810-1
Third Party Advisory