CVE-2026-32286
HIGH7.5EPSS 0.07%Denial of service in github.com/jackc/pgproto3/v2
Published: 3/18/2026Modified: 4/28/2026
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.
Affected packages (3)
- Debian/golang-github-jackc-pgproto3from 0
- Go/github.com/jackc/pgproto3/v2>= 2.0.0, <= 2.3.3
- Go/github.com/jackc/pgproto3/v2>= 2.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (9)
- ADVISORYhttps://github.com/advisories/GHSA-jqcq-xjh3-6g23
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-32286
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-32286
- PATCHhttps://github.com/jackc/pgproto3
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=2448626
- WEBhttps://github.com/golang/vulndb/issues/4518
- WEBhttps://github.com/jackc/pgx/issues/2507
- WEBhttps://pkg.go.dev/vuln/GO-2026-4518
- WEBhttps://securityinfinity.com/research/memory-safety-vulnerabilities-in-go-postgresql-wire-protocol-parsers-pgproto3-pgx