Heap Buffer Overflow in PostgreSQL Affects Database Security
CVE-2026-2007

8.2HIGH

Key Information:

Vendor

PostgreSQL
Status
Postgresql
Vendor
CVE Published:
12 February 2026

What is CVE-2026-2007?

A heap buffer overflow vulnerability has been identified in PostgreSQL's pg_trgm extension, allowing users to potentially manipulate database operations through specifically crafted input strings. Although the exact impact remains uncertain, there is concern over the possibilities of privilege escalation. PostgreSQL versions 18.1 and 18.0 are susceptible to this issue, underscoring the need for prompt remediation to protect database integrity.

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Affected Version(s)

PostgreSQL 18 < 18.2

References

https://www.postgresql.org/support/security/CVE-2026-2007/

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

The PostgreSQL project thanks Heikki Linnakangas for reporting this problem.
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