CVE-2026-42764

CVE-2026-42764

Issue summary: Receiving a QUIC initial packet with an invalid token may trigger a NULL pointer dereference in the OpenSSL QUIC server with address validation disabled. Impact summary: NULL pointer dereference typically causes abnormal te…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-42764?
CVE-2026-42764 is a high-severity vulnerability, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-06-09.
How severe is CVE-2026-42764?
High severity. CVSS v3 base score is 7.5 out of 10.