CVE-2026-32286
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| github.com/jackc/pgproto3/v2 | github.com/jackc/pgproto3/v2 | 0 < 2.0.0 | unaffected |
Weaknesses
- CWE-125: Out-of-bounds Read
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
Additional References
github.com/jackc/pgproto3/v2: github.com/jackc/pgproto3/v2: Denial of Service via malicious PostgreSQL server
Additional References
- https://access.redhat.com/security/cve/CVE-2026-32286
- https://bugzilla.redhat.com/show_bug.cgi?id=2451847
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32286.json
- https://access.redhat.com/errata/RHSA-2026:22450
- https://access.redhat.com/errata/RHSA-2026:22714
- https://access.redhat.com/errata/RHSA-2026:22423
- https://access.redhat.com/errata/RHSA-2026:22347
- https://access.redhat.com/errata/RHSA-2026:21769
- https://access.redhat.com/errata/RHSA-2026:23345
- https://access.redhat.com/errata/RHSA-2026:11070
- https://access.redhat.com/errata/RHSA-2026:11217
- https://access.redhat.com/errata/RHSA-2026:11916
- https://access.redhat.com/errata/RHSA-2026:11856
- https://access.redhat.com/errata/RHSA-2026:21017
- https://access.redhat.com/errata/RHSA-2026:24853
- https://access.redhat.com/errata/RHSA-2026:19375
- https://access.redhat.com/errata/RHSA-2026:22465
- https://access.redhat.com/errata/RHSA-2026:11996
References
- https://github.com/advisories/GHSA-jqcq-xjh3-6g23
- https://github.com/jackc/pgx/issues/2507
- https://github.com/golang/vulndb/issues/4518
- https://pkg.go.dev/vuln/GO-2026-4518
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