CVE-2026-43958CWE-121

CVE-2026-43958

High · published June 1, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
6.8
In the wild
Unconfirmed
What it is

A flaw was found in rrdcached, a component of rrdtool. A local attacker with access to a rrdcached socket can exploit a stack-based buffer overflow by sending an oversized CREATE request. This vulnerability can lead to a denial of service by crashing the daemon or potentially allow for arbitrary code execution, impacting the integrity and confidentiality of data.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00176 · 6.8th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-06-01T23:16Z
References (9)
EPSS history
Timeline
  • 01 JUN 17:34Z
    Rrdtool: rrdtool: stack buffer overflow allows local code execution or denial of service
    cvelistv5