Red Hat Security Advisory: rrdtool security update

Fixed packages 1

Vulnerabilities 1

• High 7.8
  CVE-2026-43958

  Rrdtool: rrdtool: stack buffer overflow allows local code execution or denial of service

  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 daem…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Jun 1, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2460932
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_68702.json
• report
  https://access.redhat.com/security/cve/CVE-2026-43958
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-43958
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-43958