CVE-2026-43958
HIGHrrdtool rrdcached - Stack-based Buffer Overflow via Oversized CREATE Request
Title source: llmDescription
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.
References (5)
Core 5
Core References
Vendor Advisory issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2460932
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:33731
https://access.redhat.com/errata/RHSA-2026:33731
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:34155
https://access.redhat.com/errata/RHSA-2026:34155
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:34156
https://access.redhat.com/errata/RHSA-2026:34156
Vendor Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-43958
Scores
CVSS v3
7.8
EPSS
0.0013
EPSS Percentile
3.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-121
Status
published
Products (8)
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 10
0:1.8.0-21.el10_2
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 8
0:1.7.0-17.el8_10
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat Enterprise Linux 9
0:1.7.2-22.el9_8
Published
Jun 01, 2026
Tracked Since
Jun 02, 2026