PostgreSQL up to 18.3 pg_restore_attribute_stats buffer over-read

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in PostgreSQL up to 18.3 and classified as problematic. This affects the function pg_restore_attribute_stats. This manipulation causes buffer over-read. This vulnerability is tracked as CVE-2026-6575. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in PostgreSQL up to 18.3. It has been declared as problematic. Affected by this vulnerability is the function pg_restore_attribute_stats. The manipulation with an unknown input leads to a buffer over-read vulnerability. The CWE definition for the vulnerability is CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

Buffer over-read in PostgreSQL function pg_restore_attribute_stats() accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL 18.4 are affected. Versions before PostgreSQL 18 are unaffected.

The advisory is shared at postgresql.org. This vulnerability is known as CVE-2026-6575 since 04/19/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 315292 (SUSE SLES12 Security Update : postgresql18 (SUSE-SU-2026:1946-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (315292) and CERT Bund (WID-SEC-2026-1544). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source PostgreSQL
  • IBM QRadar SIEM

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (PostgreSQL): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer over-read
CWE: CWE-126 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 315292
Nessus Name: SUSE SLES12 Security Update : postgresql18 (SUSE-SU-2026:1946-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: PostgreSQL 18.4

Timelineinfo

04/19/2026 CVE reserved
05/14/2026 +25 days Advisory disclosed
05/14/2026 +0 days VulDB entry created
06/25/2026 +42 days VulDB entry last update

Sourcesinfo

Product: postgresql.org

Advisory: postgresql.org
Status: Confirmed

CVE: CVE-2026-6575 (🔒)
GCVE (CVE): GCVE-0-2026-6575
GCVE (VulDB): GCVE-100-363877
CERT Bund: WID-SEC-2026-1544 - PostgreSQL: Mehrere Schwachstellen

Entryinfo

Created: 05/14/2026 15:50
Updated: 06/25/2026 20:07
Changes: 05/14/2026 15:50 (63), 05/16/2026 00:14 (7), 05/19/2026 17:38 (2), 05/28/2026 10:16 (1), 06/15/2026 15:33 (1), 06/25/2026 20:07 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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