CVE-2026-43958A flaw was found in rrdcached, a component of rrdtool.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 28, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- https://access.redhat.com/errata/RHSA-2026:33731
- https://access.redhat.com/errata/RHSA-2026:34155
- https://access.redhat.com/errata/RHSA-2026:34156
- https://access.redhat.com/errata/RHSA-2026:68702
- https://access.redhat.com/errata/RHSA-2026:71600
- https://access.redhat.com/errata/RHSA-2026:72277
- https://access.redhat.com/errata/RHSA-2026:72278
- https://access.redhat.com/security/cve/CVE-2026-43958
- https://bugzilla.redhat.com/show_bug.cgi?id=2460932
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.