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PostgreSQL pg_dump CVE-2026-19385

| EUVDEUVD-2026-57853 HIGH
Heap-based Buffer Overflow (CWE-122)
2026-08-13 f86ef6dc-4d3a-42ad-8f28-e6d5547a5007 GHSA-4g6h-pg6m-qwgx
RCE PostgreSQL Heap Overflow Buffer Overflow
8.8
CVSS 3.1 · Vendor: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
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Severity by source

Vendor (f86ef6dc-4d3a-42ad-8f28-e6d5547a5007) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
8.8 HIGH

PR:L reflects required authenticated DB account with CREATE; AV:N applies because initial malicious object delivery is over network database connection; UI:N because pg_dump execution is typically automated.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SUSE
HIGH
qualitative
Red Hat
8.8 HIGH
qualitative

Primary rating from Vendor (f86ef6dc-4d3a-42ad-8f28-e6d5547a5007).

CVSS VectorVendor: f86ef6dc-4d3a-42ad-8f28-e6d5547a5007

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Patch available
Aug 13, 2026 - 14:02 EUVD
Analysis Generated
Aug 13, 2026 - 13:42 vuln.today
CVE Published
Aug 13, 2026 - 13:17 cve.org
HIGH 8.8

DescriptionCVE.org

Heap buffer overflow in PostgreSQL pg_dump of long function transform lists allows an object creator to execute arbitrary code as the operating system user running pg_dump, via a crafted transform list. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

Articles & Coverage 2

News 18 New PostgreSQL Vulnerabilities - 18 High Severity, No POC Available Aug 14, 2026 News 18 New PostgreSQL Vulnerabilities - 18 High Severity, No POC Available Aug 13, 2026

AnalysisAI

Heap buffer overflow in PostgreSQL's pg_dump backup utility across all active major versions enables an authenticated database user with object creation privileges to execute arbitrary code as the operating system account running pg_dump. The attacker plants a crafted database object containing an excessively long function transform list, then waits for pg_dump to process that object during a backup operation, triggering CWE-122 heap corruption. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation The attacker must hold an authenticated PostgreSQL database session with sufficient privileges to create database objects - specifically, CREATE privilege on at least one database or schema, which is granted to non-superuser roles in many deployments for application DDL operations. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.8 score reflects AV:N/AC:L/PR:L/UI:N - network-reachable, low complexity, requiring only a low-privileged database account, and no user interaction. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to the patched releases: PostgreSQL 18.5, 17.11, 16.15, 15.19, or 14.24, as confirmed by the PostgreSQL Project advisory at https://www.postgresql.org/support/security/CVE-2026-19385/. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, inventory all systems running pg_dump and identify which are accessible to database users with object creation privileges. …

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 Affected

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CVE-2026-19385 vulnerability details – vuln.today
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