CVE-2026-97362

High

Description

HFS2 version 2.4.0 and earlier contains a denial of service vulnerability that allows unauthenticated attackers to cause a complete and persistent loss of availability by sending a single crafted request. Attackers can trigger a hung serving thread that enters a busy loop, rendering the entire file server unresponsive to all clients without self-recovery until an operator manually restarts the service.

SeverityHigh
CVSS7.5
Exploit probability—
ProductRejetto Hfs2
PublishedSep 24, 2026
First seenSep 24, 2026
Weakness typeCWE-835CWE-835

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
rejetto hfs22.0.0 ≤ v ≤ 2.4.0—

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CVE-2026-97362 · Rejetto Hfs2 · Dark Radar