CVE detail
CVE-2026-43958
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 19.5 · diversity 15.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
6 source links · newest first
- CVE-2026-43958 Rrdtool: rrdtool: stack buffer overflow allows local code execution or denial of serviceMicrosoft MSRC
Information published.
vendormsrc.microsoft.comJun 7, 2026, 8:02 AM - https://bugzilla.redhat.com/show_bug.cgi?id=2460932bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comJun 1, 2026, 7:16 PM - https://access.redhat.com/security/cve/CVE-2026-43958access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJun 1, 2026, 7:16 PM - https://access.redhat.com/errata/RHSA-2026:34156access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJun 1, 2026, 7:16 PM - https://access.redhat.com/errata/RHSA-2026:34155access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJun 1, 2026, 7:16 PM - https://access.redhat.com/errata/RHSA-2026:33731access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comJun 1, 2026, 7:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-58181CVSS 8.2 · High
The Apache Traffic Server uri_signing and url_sig plugins can exhaust the stack or crash on attacker input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, fr…
- CVE-2026-58180CVSS 8.2 · High
The Apache Traffic Server txn_box plugin overflows the stack from attacker-controlled input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 throug…
- CVE-2026-58179CVSS 9.2 · Critical
The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.…
- CVE-2026-58158CVSS 8.2 · High
Apache Traffic Server mishandles PROXY protocol input, truncating ports and overflowing the stack. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0…
- CVE-2026-33930CVSS 8.2 · High
Apache Traffic Server copies the client Host header into a fixed-size stack buffer without a bound during redirect handling, so an over-long Host header overflows the stack when r…
- CVE-2026-43771CVSS 7.1 · High
A stack overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause a de…