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Vulnerability DatabaseCVE-2026-21991

CVE-2026-21991: 
Linux Oracle vulnerability analysis and mitigation

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.

Source: NVD

Related Linux Oracle vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-4721CRITICAL9.8
  • NixOSNixOS
  • MozillaThunderbird
NoYesMar 24, 2026
CVE-2026-4720CRITICAL9.8
  • NixOSNixOS
  • cpe:2.3:a:mozilla:firefox
NoYesMar 24, 2026
CVE-2026-4371HIGH7.4
  • NixOSNixOS
  • rhel10::thunderbird-flatpak.src
NoYesMar 24, 2026
CVE-2026-3889MEDIUM6.5
  • NixOSNixOS
  • MozillaThunderbird-translations-other
NoYesMar 24, 2026
CVE-2026-23401N/AN/A
  • Linux KernelLinux Kernel
  • kernel-uek
NoYesApr 01, 2026

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