Threat landscape
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vim: Schwachstelle ermöglicht Denial of Service

WID-SEC-2026-2059 · first 25.06.2026 · updated 14.10.2026 · CVSS 7,5

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What it is about

Vim (Vi IMproved) ist eine Weiterentwicklung des Texteditors vi. Ein Angreifer kann eine Schwachstelle in vim ausnutzen, um einen Denial of Service Angriff durchzuführen.

Under what conditions?

The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.

What can happen in the worst case

An attacker could use the vulnerability to

  • einen Denial of Service Angriff durchzuführen

Am I affected?

Affected according to the BSI:

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • IBM QRadar SIEM
  • RESF Rocky Linux
  • SUSE Linux
  • Open Source vim <9.2.0725
  • SUSE openSUSE
  • Ubuntu Linux
  • Oracle Linux
  • Dell Secure Connect Gateway <5.36.00.16

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Open Source vim 9.2.0725
  • Dell Secure Connect Gateway 5.36.00.16

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.

Information and sources

and 3 more sources in the original advisory

CVE: CVE-2026-59857

Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.

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