CVE-2026-32286

Aliases:GO-2026-4518GHSA-jqcq-xjh3-6g23
Advisory lineage Upstream: 0 Downstream: 6
Analyzed
Published: 26 Mar 2026, 19:40
Last modified:22 Jul 2026, 12:08

Vulnerability Summary

Overall Risk (default)
medium
40/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.49% LOW
0% probability +0.14%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

26 Mar 2026, 19:40
Published
Vulnerability first disclosed
22 Jul 2026, 12:08
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.49%• Percentile: 39%

Techniques & Countermeasures

  • CWE-129•Improper Validation of Array Index

    The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.

  • CWE-1285•Improper Validation of Specified Index, Position, or Offset in Input

    The product receives input that is expected to specify an index, position, or offset into an indexable resource such as a buffer or file, but it does not validate or incorrectly validates that the specified index/position/offset has the required properties.

Affected Systems

  • github.com/jackc/pgproto3•v2

    ≥ 2.0.0, ≤ 2.3.3 | ≥ 2.0.0

  • jackc•pgproto3

    ≥ 2.0.0, ≤ 2.3.3

References (26)