CVE-2026-43958

Published: Jun 1, 2026Modified: Jul 22, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: secalert@redhat.com (Secondary)

Description

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.

Related CWEs

CWE-121

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References (5)

https://access.redhat.com/errata/RHSA-2026:33731

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:34155

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:34156

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2026-43958

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2460932

Source: secalert@redhat.com

Timeline

No history available yet.