CVE-2016-2176

Severity: high (CVSS 8.2 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 23.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-05-05 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

OpenSSL: through 1.0.1s; 1.0.2, 1.0.2-beta1, 1.0.2-beta2, 1.0.2-beta3, 1.0.2a, 1.0.2b (+5)

References

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

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