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f5F5F5:K54211024
HistoryNov 02, 2016 - 12:00 a.m.

K54211024 : OpenSSL vulnerability CVE-2016-6304

2016-11-0200:00:00
my.f5.com
26

7.9 High

AI Score

Confidence

High

0.566 Medium

EPSS

Percentile

97.7%

Security Advisory Description

Multiple memory leaks in t1_lib.c in OpenSSL before 1.0.1u, 1.0.2 before 1.0.2i, and 1.1.0 before 1.1.0a allow remote attackers to cause a denial of service (memory consumption) via large OCSP Status Request extensions. (CVE-2016-6304)
Impact
A remote attacker can continuously request Secure Sockets Layer (SSL) renegotiation, sending an excessively large Online Certificate Status Protocol (OCSP) Status Request extension each time. This causes memory consumption growth on the BIG-IP system, which can eventually lead to a denial of service (DoS) due to memory exhaustion.