Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have…
Priority MEDIUM 50CWE-415Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-415 and the CVSS impact.
Summary
Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.
Why it matters now
EPSS 0.05481 92nd 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_5:1.14:*:*:*:*:*:*:* | 1.14 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.14:alpha1:*:*:*:*:*:* | 1.14 alpha1 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.14:beta1:*:*:*:*:*:* | 1.14 beta1 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.14:beta2:*:*:*:*:*:* | 1.14 beta2 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.14.1:*:*:*:*:*:*:* | 1.14.1 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.14.2:*:*:*:*:*:*:* | 1.14.2 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.14.3:*:*:*:*:*:*:* | 1.14.3 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.14.4:*:*:*:*:*:*:* | 1.14.4 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.14.5:*:*:*:*:*:*:* | 1.14.5 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.15:*:*:*:*:*:*:* | 1.15 | Vulnerable | moos-ivp |
- cpe:2.3:a:mit:kerberos_5:1.14:*:*:*:*:*:*:* Versions 1.14 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.14:alpha1:*:*:*:*:*:* Versions 1.14 alpha1 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.14:beta1:*:*:*:*:*:* Versions 1.14 beta1 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.14:beta2:*:*:*:*:*:* Versions 1.14 beta2 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.14.1:*:*:*:*:*:*:* Versions 1.14.1 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.14.2:*:*:*:*:*:*:* Versions 1.14.2 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.14.3:*:*:*:*:*:*:* Versions 1.14.3 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.14.4:*:*:*:*:*:*:* Versions 1.14.4 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.14.5:*:*:*:*:*:*:* Versions 1.14.5 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.15:*:*:*:*:*:*:* Versions 1.15 Vulnerable ·moos-ivp
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mit:kerberos_5:1.15.1:*:*:*:*:*:*:* | 1.15.1 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.15.1:beta1:*:*:*:*:*:* | 1.15.1 beta1 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.15.1:beta2:*:*:*:*:*:* | 1.15.1 beta2 | Vulnerable | moos-ivp |
| cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* | 25 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:26:*:*:*:*:*:*:* | 26 | Vulnerable | Fedoraproject |
- cpe:2.3:a:mit:kerberos_5:1.15.1:*:*:*:*:*:*:* Versions 1.15.1 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.15.1:beta1:*:*:*:*:*:* Versions 1.15.1 beta1 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.15.1:beta2:*:*:*:*:*:* Versions 1.15.1 beta2 Vulnerable ·moos-ivp
- cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* Versions 25 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:26:*:*:*:*:*:*:* Versions 26 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not 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 |
| Red Hat JBoss Enterprise Application Platform 6 | Affected | No fix planned: Will not fix |
| Red Hat JBoss Enterprise Web Server 2 | Affected | No fix planned: Will not fix |
| Red Hat JBoss Enterprise Web Server 3 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-11462
- 2026-10-03 Alias added: GHSA-rr2f-jhmq-594w
References
Sources
- CVE-2017-11462 · CVE Program
- CVE-2017-11462 · NVD
- FIRST EPSS
- GHSA-rr2f-jhmq-594w · GitHub Advisory Database · CC BY 4.0
- CVE-2017-11462 · Red Hat security data · CC BY 4.0
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