security flaw
Published Jul 12, 2000
5.0
MEDIUMCVSS 2.0
EPSS 2.89%
Description
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.
Affected products
No data.
- n/a
- n/a
- < 4.0
- 4.0
- 4.0
- ≥ 1.0 · ≤ 1.0.7
- 1.1
- 1.1.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
This issue was fixed in the following product: - Red Hat Linux 6.2 - RHSA-2000:031 (2000-06-09)
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.89% (0.02894) | 86.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.89% (0.02894) | 85.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.58% (0.02576) | 84.53th | v4 (v2025.03.14) |
| Dec 17, 2024 | 5.19% (0.05192) | 92.88th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.80% (0.00800) | 81.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.80% (0.00800) | 78.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (9)
- http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html mailing-listx_refsource_BUGTRAQBroken Link
- http://ciac.llnl.gov/ciac/bulletins/k-051.shtml third-party-advisorygovernment-resourcex_refsource_CIACBroken Link
- http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt x_refsource_CONFIRMPatchVendor Advisory
- http://www.cert.org/advisories/CA-2000-11.html third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/1338 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2000-0546 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1616489 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2000-0546
- https://www.cve.org/CVERecord?id=CVE-2000-0546
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html | mailing-listx_refsource_BUGTRAQBroken Link | |
| http://ciac.llnl.gov/ciac/bulletins/k-051.shtml | third-party-advisorygovernment-resourcex_refsource_CIACBroken Link | |
| http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.cert.org/advisories/CA-2000-11.html | third-party-advisoryx_refsource_CERTThird Party AdvisoryUS Government Resource | |
| http://www.securityfocus.com/bid/1338 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2000-0546 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1616489 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2000-0546 | ||
| https://www.cve.org/CVERecord?id=CVE-2000-0546 |
Change history (0)
No recorded changes yet.