CVE-2000-0546
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service...
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
- Record
CVE-2000-0546- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
- Record
CVE-2000-0546- Updated
- 2026-11-02
EUVDEUVD-2000-0543 No score
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
- Record
EUVD-2000-0543- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2wm7-6r5c-mjpc No score
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service...
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
- Record
GHSA-2wm7-6r5c-mjpc- Weakness
- CWE-120
- Updated
- 2026-11-02
OSVROOT-OS-ALPINE-318-CVE-2000-0546 No score
CVE-2000-0546 in krb5 - Patched by Root
Root has patched CVE-2000-0546 in the krb5 package for Root:Alpine:3.18. Multiple fixed versions available.
- Record
ROOT-OS-ALPINE-318-CVE-2000-0546- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
krb5Root:Alpine:3.18 |
before 1.20.2-r10071 | 1.20.2-r100711.20.2-r100721.20.2-r100741.20.2-r100731.20.2-r100761.20.2-r100751.20.2-r100771.20.2-r10078 |
rootio-krb5Root:Alpine:3.18 |
before 1.20.2-r10071 | 1.20.2-r100711.20.2-r100721.20.2-r100741.20.2-r100731.20.2-r100761.20.2-r100751.20.2-r100771.20.2-r10078 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0546 is a medium vulnerability (CVSS 5.0) in Mit Kerberos, published June 9, 2000. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.89%, the 86th percentile. Fixed in krb5 1.20.2-r10071.