CVE-2016-6307

MEDIUM

OpenSSL 1.1.0 - Denial of Service via Excessive TLS Message Length

Title source: llm
STIX 2.1

Description

The state-machine implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory before checking for an excessive length, which might allow remote attackers to cause a denial of service (memory consumption) via crafted TLS messages, related to statem/statem.c and statem/statem_lib.c.

References (16)

Core 16
Core References
Third Party Advisory, VDB Entry vdb-entry
http://www.securitytracker.com/id/1036885
Third Party Advisory, VDB Entry vdb-entry
http://www.securityfocus.com/bid/93152

Scores

CVSS v3 5.9
EPSS 0.1326
EPSS Percentile 94.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (1)
openssl/openssl 1.1.0
Published Sep 26, 2016
Tracked Since Feb 18, 2026