Integer overflow in Firebird SQL 1.0.3 and earlier, 1.5.x before 1.5.6, 2.0.x before…
Priority MEDIUM 64CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
Integer overflow in Firebird SQL 1.0.3 and earlier, 1.5.x before 1.5.6, 2.0.x before 2.0.4, and 2.1.x before 2.1.0 RC1 might allow remote attackers to execute arbitrary code via crafted (1) op_receive, (2) op_start, (3) op_start_and_receive, (4) op_send, (5) op_start_and_send, and (6) op_start_send_and_receive XDR requests, which triggers memory corruption.
Why it matters now
EPSS 0.45873 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:* | up to 1.0.3; 1.5 to before 1.5.6; 2.0.0 to before 2.0.4 | Vulnerable | FirebirdSQL |
| cpe:2.3:a:firebirdsql:firebird:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | FirebirdSQL |
- cpe:2.3:a:firebirdsql:firebird:*:*:*:*:*:*:*:* Versions up to 1.0.3; 1.5 to before 1.5.6; 2.0.0 to before 2.0.4 Vulnerable ·FirebirdSQL
- cpe:2.3:a:firebirdsql:firebird:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·FirebirdSQL
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-0387
- 2026-10-03 Alias added: GHSA-qg6p-6xqq-gh7c
References
More FirebirdSQL Firebird vulnerabilities
- TI-2026-22559 Firebird Null Pointer Dereference via CryptCallback causes DOS CVSS 3.1HIGH 8.2
- TI-2026-22234 Firebird has Pre-Auth DOS when Processing Out of Order CNCT_specific_data Segments CVSS 3.1HIGH 8.2
- TI-2026-27368 Firebird: DoS via malicious slice descriptor in slice packet CVSS 3.1HIGH 7.5
- TI-2026-26527 Firebird: DoS via `op_response` packet from client CVSS 3.1HIGH 7.5
- TI-2026-25747 Firebird has a buffer overflow when parsing corrupted slice packets CVSS 3.1HIGH 7.5
- TI-2026-22547 Firebird has potential server crash via null pointer dereference when processing op_slice packet CVSS 3.1HIGH 7.5
Sources
- CVE-2008-0387 · CVE Program
- CVE-2008-0387 · NVD
- FIRST EPSS
- GHSA-qg6p-6xqq-gh7c · GitHub Advisory Database · CC BY 4.0
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