The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5)…
Priority LOW 26CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.04017 90th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* | before 1.14 | Vulnerable | moos-ivp |
| cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* | 11.3 | Vulnerable | Oracle |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* | 15.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | 42.1 | Vulnerable | openSUSE |
- cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* Versions before 1.14 Vulnerable ·moos-ivp
- cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·openSUSE
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:* | 12 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:* | 12 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:* | 12 | Vulnerable | SUSE |
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
- cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:* Versions 12 Vulnerable ·SUSE
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Not affected: 2 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2015-2697
- 2026-10-03 Alias added: GHSA-rw46-7hq3-wqv6
References
Sources
- CVE-2015-2697 · CVE Program
- CVE-2015-2697 · NVD
- FIRST EPSS
- GHSA-rw46-7hq3-wqv6 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-2697 · Red Hat security data · CC BY 4.0
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