UBUNTU-CVE-2026-4427

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2026-4427
Published: 19 Mar 2026, 15:16
Last modified:02 Apr 2026, 21:23

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 Mar 2026, 15:16
Published
Vulnerability first disclosed
02 Apr 2026, 21:23
Last Modified
Vulnerability information updated

Description

A flaw was found in pgproto3. A malicious or compromised PostgreSQL server can exploit this by sending a DataRow message with a negative field length. This input validation vulnerability can lead to a denial of service (DoS) due to 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

Affected Systems

  • ubuntu•golang-github-jackc-pgproto3

    all | all

References (8)