Heap-based buffer overflow in the Key Distribution Center (KDC) in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a certain valid TCP or UDP request.
Conclusion & alert: CVE-2005-1175 is rated Moderate Risk (59.1/100): CVSS High severity, with high exploitation likelihood (EPSS 45.40%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 50.85% | 45.40% | -5.45% |
| 2 | 2025-03-29 | 45.40% | 50.85% | +5.45% |
| 3 | 2025-03-19 | — | 45.40% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
medium | CVE-2005-1175 medium priority: Debian including 1 source packages (krb5), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2005-1175 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2005-1175 |
ubuntu
|
medium | CVE-2005-1175 medium priority: Ubuntu including 1 source packages (krb5), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2005-1175 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mit | kerberos_5 | 1.3 | cpe:2.3:a:mit:kerberos_5:1.3:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.3.1 | cpe:2.3:a:mit:kerberos_5:1.3.1:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.3.2 | cpe:2.3:a:mit:kerberos_5:1.3.2:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.3.3 | cpe:2.3:a:mit:kerberos_5:1.3.3:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.3.4 | cpe:2.3:a:mit:kerberos_5:1.3.4:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.3.5 | cpe:2.3:a:mit:kerberos_5:1.3.5:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.3.6 | cpe:2.3:a:mit:kerberos_5:1.3.6:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4 | cpe:2.3:a:mit:kerberos_5:1.4:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4.1 | cpe:2.3:a:mit:kerberos_5:1.4.1:*:*:*:*:*:*:* |