Division by zero Affecting firebirdsql/firebird package, versions [3.0.0,3.0.14)[4.0.0,4.0.7)[5.0.0-beta1,5.0.4)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.47% (37th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREBIRDSQLFIREBIRD-16318402
  • published28 Apr 2026
  • disclosed17 Apr 2026
  • creditUnknown

Introduced: 17 Apr 2026

CVE-2026-35215  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade firebirdsql/firebird to version 3.0.14, 4.0.7, 5.0.4 or higher.

Overview

Affected versions of this package are vulnerable to Division by zero in the sdl_desc() function when processing a slice packet. An attacker can cause the server to crash by sending a specially crafted packet that results in a division by zero.

CVSS Base Scores

version 4.0
version 3.1