Medium 5.9Published Sep 26, 2016

CVE-2016-6306The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before 1.0.2i might allow remote attackers to cause a denial of service (out-of-bounds read) via crafted certificate operations, related to s…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

Does this affect you?

It affects openssl and 8 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stackFree account, 3 products Every CVE for openssl Exploited in the last 30 days

The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before 1.0.2i might allow remote attackers to cause a denial of service (out-of-bounds read) via crafted certificate operations, related to s3_clnt.c and s3_srvr.c.

CVSS: 5.9 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

openssl openssl openssl:openssl	1.0.1; 1.0.1; 1.0.1; 1.0.1; 1.0.1a; 1.0.1b; 1.0.1c; 1.0.1d; and 27 more ranges	NVD
hp icewall_federation_agent hp:icewall_federation_agent	3.0	NVD
hp icewall_mcrp hp:icewall_mcrp	3.0	NVD
hp icewall_sso hp:icewall_sso	10.0; 10.0	NVD
hp icewall_sso_agent_option hp:icewall_sso_agent_option	10.0	NVD
novell suse_linux_enterprise_module_for_web_scripting novell:suse_linux_enterprise_module_for_web_scripting	12.0	NVD
nodejs node.js nodejs:node.js	from 0.10.0 before 0.10.47; from 0.12.0 before 0.12.16; from 4.0.0 through 4.1.2; from 4.2.0 before 4.6.0; from 5.0.0 through 5.12.0; from 6.0.0 before 6.7.0	NVD
debian debian_linux debian:debian_linux	8.0	NVD
canonical ubuntu_linux canonical:ubuntu_linux	12.04; 14.04; 16.04	NVD

References

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	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html	third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html	third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html	third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html	mailing-list, third-party-advisory
1–10 of 25

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.