{"id":16170,"date":"2026-09-04T19:05:10","date_gmt":"2026-09-04T11:05:10","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-42764"},"modified":"2026-09-04T19:05:10","modified_gmt":"2026-09-04T11:05:10","slug":"cve-2026-42764","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-42764","title":{"rendered":"CVE-2026-42764 [HIGH] &#8211; Issue summary: Receiving a QUIC initial packet with an invalid token may\ntrigger a NULL po"},"content":{"rendered":"<p>Issue summary: Receiving a QUIC initial packet with an invalid token may<br \/>\ntrigger a NULL pointer dereference in the OpenSSL QUIC server with<br \/>\naddress validation disabled.<\/p>\n<p>Impact summary: NULL pointer dereference typically causes abnormal termination<br \/>\nof the affected QUIC server process and a Denial of Service.<\/p>\n<p>If the address validation is disabled in the OpenSSL QUIC server<br \/>\nimplementation, an attacker can crash the server by sending an initial<br \/>\npacket with an invalid or expired token.<\/p>\n<p>By default, the client address validation is enabled in the OpenSSL QUIC server<br \/>\nimplementation, which makes the default configuration not vulnerable<br \/>\nto this issue. However if the SSL_LISTENER_FLAG_NO_VALIDATE is used with<br \/>\nthe SSL_new_listener() call, the address validation is disabled making the<br \/>\nvulnerable code reachable.<\/p>\n<p>The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this<br \/>\nissue, as the affected code is outside the OpenSSL FIPS module boundary.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Issue summary: Receiving a QUIC initial packet with an invalid token may<br \/>\ntrigger a NULL pointer dereference in the OpenSSL QUIC server with<br \/>\naddress validation disabled.<\/p>\n<p>Impact summary: NULL pointer d<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-16170","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/16170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}