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CVE-2026-84471 is a medium-severity, network-reachable denial-of-service vulnerability affecting OpenVPN. It is fixed upstream in OpenVPN 2.7.7. The available information does not identify the vulnerable function or the precise malformed input or protocol condition that triggers the failure.
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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A network-reachable, high-complexity denial-of-service vulnerability in OpenVPN, with no confidentiality or integrity impact and high availability impact.
A critical, network-accessible vulnerability affecting Debian Linux 12.0, 13.0, and 14.0. The provided CVSS v3 vector indicates no privileges or user interaction are required and that successful exploitation can cause high confidentiality, integrity, and availability impact. The content does not identify the affected component or flaw type.
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.