Buffer overflow in the RPC library used by libgssrpc and kadmind in MIT Kerberos 5 (krb5) 1.4 through 1.6.3 allows remote attackers to execute arbitrary code by triggering a large number of open file descriptors.
Conclusion & alert: CVE-2008-0947 is rated High Risk (79.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 45.10%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +12.89% over the last day, indicating growing attacker interest. 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 | 2026-02-20 | 32.20% | 45.10% | +12.89% |
| 2 | 2025-11-18 | 35.26% | 32.20% | -3.06% |
| 3 | 2025-06-10 | — | 35.26% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
medium | CVE-2008-0947 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-2008-0947 |
gentoo
|
high | CVE-2008-0947: 1 GLSA(s) (200803-31), 1 atom(s) (app-crypt/mit-krb5); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-0947 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-0947 |
suse
|
critical | CVE-2008-0947 severity critical: SUSE including 50 source package names (krb5-1.19.2-2.2, krb5-1.20.1-4.11, …), 51 product×package rows across 9 product lines (SUSE Linux Enterprise Server 11 SP1, SUSE Linux Enterprise Server 11 SP2, … (9 product lines)): Fixed 51. | https://www.suse.com/security/cve/CVE-2008-0947/ |
ubuntu
|
medium | CVE-2008-0947 medium priority: Ubuntu including 1 source packages (krb5), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): released 4, pending 1. | https://ubuntu.com/security/CVE-2008-0947 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| 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:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4.2 | cpe:2.3:a:mit:kerberos_5:1.4.2:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4.3 | cpe:2.3:a:mit:kerberos_5:1.4.3:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.4.4 | cpe:2.3:a:mit:kerberos_5:1.4.4:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.5 | cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.5.1 | cpe:2.3:a:mit:kerberos_5:1.5.1:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.5.2 | cpe:2.3:a:mit:kerberos_5:1.5.2:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.5.3 | cpe:2.3:a:mit:kerberos_5:1.5.3:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.6 | cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.6.1 | cpe:2.3:a:mit:kerberos_5:1.6.1:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.6.2 | cpe:2.3:a:mit:kerberos_5:1.6.2:*:*:*:*:*:*:* |
| mit | kerberos_5 | 1.6.3 | cpe:2.3:a:mit:kerberos_5:1.6.3:*:*:*:*:*:*:* |