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Vulnerability record · CVE-2026-32286 · published 26 March 2026

CVE-2026-32286: Jackc pgproto3 vulnerability

Jackc · Pgproto3

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.

7.5 CVSS 3.1 High EPSS 0.92% · top 41.3% CWE-129 · CWE-129CWE-1285 · CWE-1285
7.5CVSS 3.1 base score
0.92%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
23References
10 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

Source: NIST National Vulnerability Database (record CVE-2026-32286), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.