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:02 Apr 2026, 19:08
Vulnerability Summary
Overall Risk (default)
medium
40/100 CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.07% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
26 Mar 2026, 19:40
Published
Vulnerability first disclosed
02 Apr 2026, 19:08
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: 0.07%• Percentile: 22%
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.
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 (8)
- https://github.com/jackc/pgx/issues/2507
- https://github.com/golang/vulndb/issues/4518
- https://pkg.go.dev/vuln/GO-2026-4518
- https://nvd.nist.gov/vuln/detail/CVE-2026-32286
- https://github.com/jackc/pgproto3
- https://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx
- https://bugzilla.redhat.com/show_bug.cgi?id=2448626
- https://github.com/advisories/GHSA-jqcq-xjh3-6g23