CVE-2026-4427

ADVISORY - github

Summary

A flaw was found in pgproto3. A malicious or compromised PostgreSQL server can exploit this by sending a DataRow message with a negative field length. This input validation vulnerability can lead to a denial of service (DoS) due to a slice bounds out of range panic.

Common Weakness Enumeration (CWE)

ADVISORY - nist

Improper Validation of Array Index

ADVISORY - github

Improper Validation of Array Index

ADVISORY - redhat

Improper Validation of Array Index


NIST

CREATED

UPDATED

ADVISORY IDCVE-2026-4427
EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

7.5high

GitHub

CREATED

UPDATED

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

7.5high

Debian

CREATED

UPDATED

ADVISORY IDCVE-2026-4427
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

Red Hat

CREATED

UPDATED

ADVISORY IDCVE-2026-4427
EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

7.5high