Is CVE-2026-34232 actively exploited?

CVE-2026-34232 has no public evidence of in-the-wild exploitation as of 2026-04-27.

What is the CVSS score for CVE-2026-34232?

CVE-2026-34232 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2026-34232?

Patch guidance is available from firebirdsql security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-34232.

Fix CVE-2026-34232 - HIGH firebirdsql firebird

Q: Which products are affected by CVE-2026-34232?

3 products: firebirdsql firebird, firebirdsql firebird, firebirdsql firebird.

Description

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the xdr_status_vector() function does not handle the isc_arg_cstring type when decoding an op_response packet, causing a server crash when one is encountered in the status vector. An unauthenticated attacker can exploit this by sending a crafted op_response packet to the server. This issue has been fixed in versions 5.0.4, 4.0.7 and 3.0.14.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-228

Metadata

Primary Vendor: FIREBIRDSQL
Published: 4/17/2026
Last Modified: 4/27/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-34232

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary