Linuxsecurity Oracle Linux dtrace Vulnerability Fixes Released for Multiple Versions
Article Content
- •Oracle released patches for CVE-2026-21991 affecting multiple Oracle Linux versions.
- •The vulnerability involves unsafe probe description handling in dtprobed.
- •Users are encouraged to update their systems to prevent potential exploitation.
On March 14, 2026, Oracle released security updates addressing a moderate risk vulnerability in the dtrace component across multiple versions of Oracle Linux. The vulnerability, identified as CVE-2026-21991, involves unsafe probe description handling in the dtprobed tool. Affected versions include Oracle Linux 8, 9, and the specific ELSA-2026-50153 advisory for Oracle Linux. The issue was reported by Dhiraj Mishra and has been assigned a moderate severity rating. The updates include patched RPM packages for both x86_64 and aarch64 architectures. Users are advised to apply these updates promptly to mitigate potential exploitation risks. No active exploitation has been reported at this time.
Ask AI about this cluster
Answers cite the sources they use
Timeline
More articles in this cluster (3)
Following this threat?
Track CVE-2026-21991 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
CVE-2015-3306 Exploited in ProFTPD FTP Servers CVE-2015-3306, a vulnerability in ProFTPD 1.3.5, allows remote attackers to read and write arbitrary files using the SITE CPFR and SITE CPTO commands. This exploit can lead to unauthorized access and potential remote code execution, as the commands are executed with the privileges of the ProFTPD service. Active…
CISA Mandates Urgent Patching of Five Critical Flaws Exploited by Flax Typhoon The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to patch five critical vulnerabilities by October 11, 2026, following exploitation by the China-linked hacking group Flax Typhoon. The vulnerabilities, added to CISA's Known Exploited Vulnerabilities (KEV) catalog, include…