Double free vulnerability in do_tgs_req.c in the Key Distribution Center (KDC) in MIT…
Priority LOW 33CWE-399Published · 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
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Double free vulnerability in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x before 1.8.2 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a request associated with (1) renewal or (2) validation.
Why it matters now
EPSS 0.11857 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:* | 1.7 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.7.1:*:*:*:*:*:*:* | 1.7.1 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:* | 1.8 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:* | 1.8.1 | Vulnerable | moos-ivp |
- cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:* Versions 1.7 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.7.1:*:*:*:*:*:*:* Versions 1.7.1 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:* Versions 1.8 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:* Versions 1.8.1 Vulnerable ·moos-ivp
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2010-1320
- 2026-10-03 Alias added: GHSA-xrh6-gg74-rf7v
References
More moos-ivp Kerberos 5 vulnerabilities
- TI-2024-17421 Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c. CVSS 3.1HIGH 7.5
- TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
- TI-2026-29130 NULL pointer dereference in moos-ivp Kerberos 5 CVSS 3.1HIGH 7.5
- TI-2007-00929 The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass… CVSS 2.0HIGH 10.0
- TI-2011-00268 The process_chpw_request function in schpw.c in the password-changing functionality in… CVSS 2.0HIGH 10.0
- TI-2001-00245 Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
Sources
- CVE-2010-1320 · CVE Program
- CVE-2010-1320 · NVD
- FIRST EPSS
- GHSA-xrh6-gg74-rf7v · GitHub Advisory Database · CC BY 4.0
- CVE-2010-1320 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences