CVE-2026-43958: Rrdtool: rrdtool: stack buffer overflow allows local code execution or denial of service

Overview

Severity
High (CVSS 7.8)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Jun
Released
2026-06-07
Last Updated
2026-06-09
EPSS Score
0.01% (percentile: 2.7%)

Affected Products (2)

Open Source Software

  • azl3 ntopng 5.2.1-6 on Azure Linux 3.0
  • azl3 rrdtool 1.8.0-2 on Azure Linux 3.0

Revision History

  • 2026-06-07: Information published.
  • 2026-06-08: Information published.
  • 2026-06-09: Information published.