CVE-2016-2177
OpenSSL through 1.0.2h incorrectly uses pointer arithmetic for heap-buffer boundary checks, which might allow remote attackers to cause a denial of service (integer overflow and application crash) or possibly have unspecified other impact by leveraging unexpected malloc behavior, related to s3_srvr.c, ssl_sess.c, and t1_lib.c.
Key facts
- CVSS score
- 9.8 (v3.0)
- Severity
- CRITICAL
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-190
- EPSS score
- 44.5% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2016-3262)
- Published
- June 20, 2016
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2016-3262 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.
View on the EU Vulnerability DatabaseAffected products
- hp / icewall mcrp
- hp / icewall sso
- hp / icewall sso
- hp / icewall sso agent option
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- oracle / linux
- oracle / linux
- oracle / linux
- oracle / solaris
- oracle / solaris
Certified products that may be affected
28 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Oracle Linux 7 NSS Cryptographic Module - Oracle Corporation - FIPS 140 4586 - historical
- Oracle Linux 7 Libreswan Cryptographic Module - Oracle Corporation - FIPS 140 4266 - historical
- Oracle Linux 7 OpenSSH Client Cryptographic Module - Oracle Corporation - FIPS 140 4206 - historical
- Oracle Linux 7 OpenSSH Server Cryptographic Module - Oracle Corporation - FIPS 140 4176 - historical
- Oracle Linux 7 Unbreakable Enterprise Kernel (UEK 6) Cryptographic Module - Oracle Corporation - FIPS 140 4169 - historical
See all 28 in the Security Certifications Explorer.
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759(Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
- http://rhn.redhat.com/errata/RHSA-2016-1940.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://rhn.redhat.com/errata/RHSA-2017-1659.html
- http://seclists.org/fulldisclosure/2017/Jul/31
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-openssl
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039(Third Party Advisory)
- http://www.debian.org/security/2016/dsa-3673
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
- http://www.openwall.com/lists/oss-security/2016/06/08/9
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html(Third Party Advisory)
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html(Third Party Advisory)
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html(Third Party Advisory)
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html(Third Party Advisory)
- http://www.securityfocus.com/archive/1/540957/100/0/threaded
- http://www.securityfocus.com/archive/1/archive/1/540957/100/0/threaded
- http://www.securityfocus.com/bid/91319(Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id/1036088(Third Party Advisory, VDB Entry)
- http://www.splunk.com/view/SP-CAAAPSV(Third Party Advisory)
- http://www.splunk.com/view/SP-CAAAPUE(Third Party Advisory)
- http://www.ubuntu.com/usn/USN-3087-1
- http://www.ubuntu.com/usn/USN-3087-2
- http://www.ubuntu.com/usn/USN-3181-1
- https://access.redhat.com/errata/RHSA-2017:0193
- https://access.redhat.com/errata/RHSA-2017:0194
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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