CVE-2015-2697: canonical ubuntu_linux Out-of-bounds Read
Vulnerability summary
CVE-2015-2697 is a medium (CVSS 4.0) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 4.02% chance of exploitation in the next 30 days, higher than 90.5% of scored vulnerabilities.
Not severe (CVSS 4, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 3Timeline
- 09-11-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.02%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
Decrease -0.11 pp
From 4.13% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, authentication (CVSS vector). Other conditions: not stated in public data.
Suse3 products
Debian2 products
- krb5< 1.13.2+dfsg-3 | < 1.10.1+dfsg-5+deb7u6
- debian_linuxEOL7.0 | 8.0 | 9.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.04 | 15.10
Mit1 product
- kerberos_5< 1.14
Oracle1 product
- solarisEOL11.3
Ubuntu1 product
- krb5< 1.12+dfsg-2ubuntu5.2
7 vendors · 11 products
References
15 links- github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789X Refsource CONFIRMPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlX Refsource CONFIRMThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
