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CVE-2026-32286— Denial of service in github.com/jackc/pgproto3/v2

Quick assessment

Affected
github.com/jackc/pgproto3/v2 github.com/jackc/pgproto3/v2
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.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google GO存在安全漏洞，该漏洞源于未能正确验证字段长度，可能导致切片边界超出范围崩溃。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.65% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
github.com/jackc/pgproto3/v2 github.com/jackc/pgproto3/v2 < 2.0.0 unaffected
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I. Basic Information for CVE-2026-32286

Vulnerability Information
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Vulnerability Title
Denial of service in github.com/jackc/pgproto3/v2
Source: CVE Program / CVE List V5
Vulnerability Description
The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing a slice bounds out of range panic.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google GO存在安全漏洞，该漏洞源于未能正确验证字段长度，可能导致切片边界超出范围崩溃。
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
github.com/jackc/pgproto3/v2 github.com/jackc/pgproto3/v2 0 ~ 2.0.0 -

II. Public POCs for CVE-2026-32286

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-32286

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Vendor Advisories for CVE-2026-32286 (2)

News Coverage for CVE-2026-32286 (1)

Other References for CVE-2026-32286 (1)

V. Comments for CVE-2026-32286

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