Integer overflow in Firebird 2.0.0 allows remote authenticated users to cause a denial of service (CPU consumption) via certain database operations with multi-byte character sets that trigger an attempt to use the value 65536 for a 16-bit integer, which is treated as 0 and causes an infinite loop on zero-length data
Published Jul 3, 2007
6.8
MEDIUMCVSS 2.0
EPSS 1.56%
Description
Integer overflow in Firebird 2.0.0 allows remote authenticated users to cause a denial of service (CPU consumption) via certain database operations with multi-byte character sets that trigger an attempt to use the value 65536 for a 16-bit integer, which is treated as 0 and causes an infinite loop on zero-length data.
Affected products
No data.
- 2.0.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:S/C:N/I:N/A:C
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.56% (0.01556) | 74.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.56% (0.01556) | 71.86th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.26% (0.01264) | 78.06th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.79% (0.00788) | 82.17th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.79% (0.00788) | 81.52th | v3 (v2023.03.01) |
| May 6, 2024 | 0.95% (0.00949) | 83.06th | v3 (v2023.03.01) |
| Mar 29, 2024 | 0.98% (0.00976) | 83.06th | v3 (v2023.03.01) |
| Feb 20, 2024 | 1.04% (0.01039) | 83.48th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.68% (0.00675) | 79.22th | v3 (v2023.03.01) |
| Jul 9, 2023 | 0.67% (0.00673) | 77.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.62% (0.00622) | 75.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.23% (0.01232) | 66.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.23% (0.01232) | 64.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://osvdb.org/43782 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/29501 third-party-advisoryx_refsource_SECUNIA
- http://tracker.firebirdsql.org/browse/CORE-1063 x_refsource_CONFIRM
- http://www.debian.org/security/2008/dsa-1529 vendor-advisoryx_refsource_DEBIAN
- http://www.firebirdsql.org/rlsnotes/Firebird-2.0.1-ReleaseNotes.pdf x_refsource_CONFIRMPatch
- http://www.securityfocus.com/bid/28473 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/43782 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/29501 | third-party-advisoryx_refsource_SECUNIA | |
| http://tracker.firebirdsql.org/browse/CORE-1063 | x_refsource_CONFIRM | |
| http://www.debian.org/security/2008/dsa-1529 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.firebirdsql.org/rlsnotes/Firebird-2.0.1-ReleaseNotes.pdf | x_refsource_CONFIRMPatch | |
| http://www.securityfocus.com/bid/28473 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.