VulnerabilityModified

CVE-2016-6304

Multiple memory leaks in t1_lib.c in OpenSSL before 1.0.1u, 1.0.2 before 1.0.2i, and 1.1.0 before 1.1.0a allow remote attackers to cause a denial of service (memory consumption) via large OCSP Status Request extensions.

HIGH 7.5EPSS 63.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 63.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 63.03% probability · 99th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-401
Affected: openssl/openssl · nodejs/node.js · novell/suse linux enterprise module for web scripting
Source: secalert@redhat.com

EPSS trend

EPSS 63.0% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-11/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-11/msg00027.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/139091/OpenSSL-x509-Parsing-Double-Free-Invalid-Free.htmlThird Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-1940.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2802.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1415.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1659.htmlThird Party Advisory
http://seclists.org/fulldisclosure/2016/Dec/47Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2016/Oct/62Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2017/Jul/31Mailing List, Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21995039Third Party Advisory
http://www.debian.org/security/2016/dsa-3673Third Party Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-enThird Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlPatch, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlPatch, Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlPatch, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.