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CVE-2026-97031

7.5 high SSVC exploitation: none Awaiting Analysis
NVD · CVE.org

Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. We now reject these as malformed and curb the memory amplification vector as a result.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 7.5NVD modified 2026-10-09 16:35

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4