CVE-2016-6307

openssl: excessive allocation of memory in tls_get_message_header()

Loading…

Severity

Low

Red Hat Product Security

3.7

CVSS 3.0

Review impact separately from score.

Published · September 21, 2016

Updated · August 5, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.7
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 2.0 · 2.6
AV:N/AC:H/Au:N/C:N/I:N/A:P

CWE-400 · Uncontrolled Resource Consumption