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CVE-2026-6575— PostgreSQL pg_restore_attribute_stats accepts values that cause query planning to read past end of stats array

Quick assessment

Affected
n/a PostgreSQL
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PostgreSQL是PostgreSQL组织的一套自由的对象关系型数据库管理系统。该系统支持大部分SQL标准并且提供了许多其他特性，例如外键、触发器、视图等。 PostgreSQL 18.4之前版本存在安全漏洞，该漏洞源于pg_restore_attribute_stats函数存在缓冲区过度读取，可能导致表维护者推断数组末尾之后的内存值。

CVSS 4.3 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a PostgreSQL 18< 18.4 affected
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I. Basic Information for CVE-2026-6575

Vulnerability Information
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Vulnerability Title
PostgreSQL pg_restore_attribute_stats accepts values that cause query planning to read past end of stats array
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
PostgreSQL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PostgreSQL是PostgreSQL组织的一套自由的对象关系型数据库管理系统。该系统支持大部分SQL标准并且提供了许多其他特性，例如外键、触发器、视图等。 PostgreSQL 18.4之前版本存在安全漏洞，该漏洞源于pg_restore_attribute_stats函数存在缓冲区过度读取，可能导致表维护者推断数组末尾之后的内存值。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- PostgreSQL 18 ~ 18.4 -

II. Public POCs for CVE-2026-6575

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III. Intelligence Information for CVE-2026-6575

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Vendor Advisories for CVE-2026-6575 (1)

Same Patch Batch · n/a · 2026-05-14 · 16 CVEs total

CVE-2026-6473 8.8 HIGH PostgreSQL server undersizes allocations, via integer wraparound
CVE-2026-6475 8.8 HIGH PostgreSQL pg_basebackup and pg_rewind can overwrite unrelated files of origin superuser c
CVE-2026-6477 8.8 HIGH PostgreSQL libpq lo_* functions let server superuser overwrite client stack memory
CVE-2026-6637 8.8 HIGH PostgreSQL refint allows stack buffer overflow and SQL injection
CVE-2026-6479 7.5 HIGH PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursion
CVE-2026-6476 7.2 HIGH PostgreSQL pg_createsubscriber allows SQL injection via subscription name
CVE-2026-6478 6.5 MEDIUM PostgreSQL discloses MD5-hashed passwords via covert timing channel
CVE-2026-6472 5.4 MEDIUM PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege
CVE-2026-6474 4.3 MEDIUM PostgreSQL timeofday() can disclose portions of server memory
CVE-2026-6638 3.7 LOW PostgreSQL REFRESH PUBLICATION allows SQL injection via table name
CVE-2026-24710 Northern.tech CFEngine Enterprise 跨站脚本漏洞
CVE-2026-24711 Northern.tech CFEngine Enterprise 安全漏洞
CVE-2026-24712 Northern.tech CFEngine 安全漏洞
CVE-2026-38740 Foscam VD1 Video Doorbell 安全漏洞
CVE-2025-69443 Archon 安全漏洞

IV. Related Vulnerabilities

Same product: PostgreSQL
Same vendor: n/a
Same weakness: CWE-126

V. Comments for CVE-2026-6575

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