CVE-2026-43958
Last modified
CVE-2026-43958 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | All versions |
| Red Hat | Red Hat Enterprise Linux 8 | All versions |
| Red Hat | Red Hat Enterprise Linux 9 | All versions |
| Red Hat | Red Hat Enterprise Linux 6 | All versions |
| Red Hat | Red Hat Enterprise Linux 7 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-43958?
How severe is CVE-2026-43958?
How do I fix CVE-2026-43958?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-43945FUXA is a web-based Process Visualization (SCADA/HMI/Dashboa…8.9
- CVE-2026-43946FUXA is a web-based Process Visualization (SCADA/HMI/Dashboa…7.7
- CVE-2026-43947FUXA is a web-based Process Visualization (SCADA/HMI/Dashboa…8.9
- CVE-2026-43948wger is a free, open-source workout and fitness manager. Pri…9.9
- CVE-2026-4395Heap-based buffer overflow in the KCAPI ECC code path of wc_…9.8
- CVE-2026-43951Out-of-bounds Read vulnerability in Apache HTTP Server with …6.5
- CVE-2026-4396Improper certificate validation in Devolutions Hub Reporting…8.1
- CVE-2026-43964Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.…7.5
- CVE-2026-43965Path traversal vulnerability in Gleam's dependency managemen…5.6
- CVE-2026-43966Improper Neutralization of CRLF Sequences in HTTP Headers ('…6.3
- CVE-2026-43967Inefficient Algorithmic Complexity vulnerability in absinthe…7.5
- CVE-2026-43968Improper Neutralization of CRLF Sequences ('CRLF Injection')…4
Are you affected by CVE-2026-43958?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
