high7.5
CVE-2026-32286
Denial of service in github.com/jackc/pgproto3/v2
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/jackc/pgproto3/v2 | >= 2.0.0, <= 2.3.3 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Jackc | Pgproto3 | from 2.0.0 through 2.3.3 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-jqcq-xjh3-6g23
- https://github.com/golang/vulndb/issues/4518
- https://github.com/jackc/pgx/issues/2507
- https://pkg.go.dev/vuln/GO-2026-4518
- https://access.redhat.com/errata/RHSA-2026:11070
- https://access.redhat.com/errata/RHSA-2026:11217
- https://access.redhat.com/errata/RHSA-2026:11856
- https://access.redhat.com/errata/RHSA-2026:11916
- https://access.redhat.com/errata/RHSA-2026:11996
- https://access.redhat.com/errata/RHSA-2026:19375
- https://access.redhat.com/errata/RHSA-2026:21017
- https://access.redhat.com/errata/RHSA-2026:21769
- https://access.redhat.com/errata/RHSA-2026:22347
- https://access.redhat.com/errata/RHSA-2026:22423
- https://access.redhat.com/errata/RHSA-2026:22450
- https://access.redhat.com/errata/RHSA-2026:22465
- https://access.redhat.com/errata/RHSA-2026:22714
- https://access.redhat.com/errata/RHSA-2026:23345
- https://access.redhat.com/errata/RHSA-2026:24853
- 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://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx
- https://nvd.nist.gov/vuln/detail/CVE-2026-32286
- https://bugzilla.redhat.com/show_bug.cgi?id=2448626