Critical severity9.8OSV Advisory· Published Sep 26, 2016· Updated Jun 17, 2026
CVE-2016-6309
CVE-2016-6309
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3BEFORE_engine, OpenSSL_0_9_1c, OpenSSL_0_9_2b, …+ 2 more
- (no CPE)range: BEFORE_engine, OpenSSL_0_9_1c, OpenSSL_0_9_2b, …
- cpe:2.3:a:openssl:openssl:1.1.0a:*:*:*:*:*:*:*
- (no CPE)range: = 1.1.0a
Patches
Vulnerability mechanics
References
14- www.openssl.org/news/secadv/20160926.txtnvdVendor Advisory
- kb.juniper.net/InfoCenter/indexnvd
- www-01.ibm.com/support/docview.wssnvd
- www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlnvd
- www.securityfocus.com/bid/93177nvd
- www.securitytracker.com/id/1036885nvd
- bto.bluecoat.com/security-advisory/sa132nvd
- git.openssl.orgnvd
- support.hpe.com/hpsc/doc/public/displaynvd
- www.tenable.com/security/tns-2016-16nvd
- www.tenable.com/security/tns-2016-20nvd
News mentions
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