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Vulnerability record · CVE-2016-2176 · published 5 May 2016

CVE-2016-2176: Openssl memory buffer overflow vulnerability

OOpenssl · Openssl

The X509_NAME_oneline function in crypto/x509/x509_obj.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to obtain sensitive information from process stack memory or cause a denial of service (buffer over-read) via crafted EBCDIC ASN.1 data.

8.2 CVSS 3.0 High EPSS 23% · top 2.3% CWE-119 · Memory buffer overflow
8.2CVSS 3.0 base score, v2 6.4
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
46References
17 Jun 2026Last modified by NVD

Description

The X509_NAME_oneline function in crypto/x509/x509_obj.c in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to obtain sensitive information from process stack memory or cause a denial of service (buffer over-read) via crafted EBCDIC ASN.1 data.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
http://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.html
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-openssl
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/89746
http://www.securityfocus.com/bid/91787
http://www.securitytracker.com/id/1035721
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.542103
https://bto.bluecoat.com/security-advisory/sa123
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=2919516136a4227d9e6d8f2fe66ef976aaf8c561
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03756en_us
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03765en_us
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40202
https://kc.mcafee.com/corporate/index?page=content&id=SB10160
https://security.gentoo.org/glsa/201612-16
https://security.netapp.com/advisory/ntap-20160504-0001/
https://support.apple.com/HT206903
https://www.openssl.org/news/secadv/20160503.txt Vendor Advisory
https://www.tenable.com/security/tns-2016-18
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
http://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.html
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-openssl
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/89746
http://www.securityfocus.com/bid/91787
http://www.securitytracker.com/id/1035721
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.542103
https://bto.bluecoat.com/security-advisory/sa123
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=2919516136a4227d9e6d8f2fe66ef976aaf8c561
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03756en_us
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03765en_us
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40202

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Source: NIST National Vulnerability Database (record CVE-2016-2176), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.