Loading vulnerability…
CVE-2026-83350 is an easily exploitable unauthenticated remote denial-of-service vulnerability in the Oracle Net Services component of Oracle Database Server. Affected supported versions are Oracle Database Server 21.3 through 21.23 and 23.4.0 through 23.26.3. An attacker able to reach Oracle Net can cause Oracle Net Services to hang or repeatedly crash.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in Oracle Database Server referenced by the September 15, 2026 patch publication.
A remotely exploitable, unauthenticated denial-of-service vulnerability in Oracle Net Services within Oracle Database Server. An attacker with network access through Oracle Net can cause a hang or repeatedly crash the service. It has a CVSS 3.1 score of 7.5, with high availability impact.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.