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Status published
Critical
CVE-2016-6309
statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after...
Vulnerability Description
statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrary code via a crafted TLS session.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.tenable.com/security/tns-2016-20
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- https://www.openssl.org/news/secadv/20160926.txt
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039
- http://www.securitytracker.com/id/1036885
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- https://www.tenable.com/security/tns-2016-16
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=acacbfa7565c78d2273c0b2a2e5e803f44afefeb
- http://www.securityfocus.com/bid/93177
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- https://bto.bluecoat.com/security-advisory/sa132
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
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High
7.5
Affected Vendor
openssl
View all reports →Affected Software
openssl
Vulnerable Versions:
1.1.0a
Timeline
Official Publish:
September 26th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.