--- title: "CVE-2014-0160: Out-of-bounds Read | CubePath" description: "The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers…" language: en source: https://cubepath.com/security/cve/CVE-2014-0160 --- # CVE-2014-0160: Out-of-bounds Read | CubePath ## Description The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1\_both.c and t1\_lib.c, aka the Heartbleed bug. Official description from the CVE record, published by redhat. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2014-0160) ## Key data ### CVSS 3.1 High 7.5 Score published by CISA-ADP in the CVE record. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------- | | Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. | | Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. | | Privileges required | None | No account or privileges are needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | High | Serious or total effect on the secrecy of data. | | Integrity impact | None | No effect on the trustworthiness of data. | | Availability impact | None | No effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.99999 (99.99% probability) Percentile 99.99% Scores of Nov 10, 2026 Model v2026.06.15 ### CISA Known Exploited Vulnerabilities This CVE is listed in the CISA KEV catalog. Name in the catalog OpenSSL Information Disclosure Vulnerability Added to the catalog May 4, 2022 Federal due date May 25, 2022 ### CISA assessment as of Feb 7, 2025 Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA. Exploitation Recorded by CISA as active Automatable yes Technical impact partial ### Weakness (CWE) CWE catalog version 5.0. CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license. - [CWE-125](https://cwe.mitre.org/data/definitions/125.html) Out-of-bounds Read ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [support.f5.com/kb/en-us/solutions/public/15000/100/sol15159…](https://support.f5.com/kb/en-us/solutions/public/15000/100/sol15159.html?sr=36517217) - [1030077](http://www.securitytracker.com/id/1030077) (securitytracker.com) vdb-entry - [20140408 heartbleed OpenSSL bug CVE-2014-0160](http://seclists.org/fulldisclosure/2014/Apr/90) (seclists.org) mailing-list - [getchef.com/blog/2014/04/09/chef-server-heartbleed-cve-2014…](http://www.getchef.com/blog/2014/04/09/chef-server-heartbleed-cve-2014-0160-releases/) - [DSA-2896](http://www.debian.org/security/2014/dsa-2896) (debian.org) vendor-advisory - [HPSBGN03008](http://marc.info/?l=bugtraq&m=139774054614965&w=2) (marc.info) vendor-advisory - [HPSBMU03024](http://marc.info/?l=bugtraq&m=139889113431619&w=2) (marc.info) vendor-advisory - [RHSA-2014:0396](http://rhn.redhat.com/errata/RHSA-2014-0396.html) (rhn.redhat.com) vendor-advisory - [HPSBHF03021](http://marc.info/?l=bugtraq&m=139835815211508&w=2) (marc.info) vendor-advisory - [HPSBHF03136](http://marc.info/?l=bugtraq&m=141287864628122&w=2) (marc.info) vendor-advisory - [VU#720951](http://www.kb.cert.org/vuls/id/720951) (kb.cert.org) third-party-advisory - [splunk.com/view/SP-CAAAMB3](http://www.splunk.com/view/SP-CAAAMB3) - [HPSBMU03033](http://marc.info/?l=bugtraq&m=139905295427946&w=2) (marc.info) vendor-advisory - [websense.com/support/article/kbarticle/Vulnerabilities-reso…](http://www.websense.com/support/article/kbarticle/Vulnerabilities-resolved-in-TRITON-APX-Version-8-0) - [apcmedia.com/salestools/SJHN-7RKGNM/SJHN-7RKGNM\_R4\_EN.pdf](http://www.apcmedia.com/salestools/SJHN-7RKGNM/SJHN-7RKGNM%5FR4%5FEN.pdf) - [HPSBGN03011](http://marc.info/?l=bugtraq&m=139833395230364&w=2) (marc.info) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=swg21670161](http://www-01.ibm.com/support/docview.wss?uid=swg21670161) - [vmware.com/security/advisories/VMSA-2014-0012.html](http://www.vmware.com/security/advisories/VMSA-2014-0012.html) - [openSUSE-SU-2014:0492](http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00004.html) (lists.opensuse.org) vendor-advisory - [SSRT101846](http://marc.info/?l=bugtraq&m=142660345230545&w=2) (marc.info) vendor-advisory - [20140409 Re: heartbleed OpenSSL bug CVE-2014-0160](http://seclists.org/fulldisclosure/2014/Apr/109) (seclists.org) mailing-list - [HPSBMU03037](http://marc.info/?l=bugtraq&m=140724451518351&w=2) (marc.info) vendor-advisory - [1030080](http://www.securitytracker.com/id/1030080) (securitytracker.com) vdb-entry - [57836](http://secunia.com/advisories/57836) (secunia.com) third-party-advisory - [www-01.ibm.com/support/docview.wss?uid=isg400001843](http://www-01.ibm.com/support/docview.wss?uid=isg400001843) - [HPSBMU03012](http://marc.info/?l=bugtraq&m=139808058921905&w=2) (marc.info) vendor-advisory - [HPSBST03001](http://marc.info/?l=bugtraq&m=139758572430452&w=2) (marc.info) vendor-advisory - [66690](http://www.securityfocus.com/bid/66690) (securityfocus.com) vdb-entry - [innominate.com/data/downloads/manuals/mdm\_1.5.2.1\_Release\_N…](http://www.innominate.com/data/downloads/manuals/mdm%5F1.5.2.1%5FRelease%5FNotes.pdf) - [filezilla-project.org/versions.php?type=server](https://filezilla-project.org/versions.php?type=server) - [HPSBMU03023](http://marc.info/?l=bugtraq&m=139843768401936&w=2) (marc.info) vendor-advisory - [57483](http://secunia.com/advisories/57483) (secunia.com) third-party-advisory - [20140409 OpenSSL Heartbeat Extension Vulnerability in Multiple Cisco Products](http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140409-heartbleed) (tools.cisco.com) vendor-advisory - [kerio.com/support/kerio-control/release-history](http://www.kerio.com/support/kerio-control/release-history) - [advisories.mageia.org/MGASA-2014-0165.html](http://advisories.mageia.org/MGASA-2014-0165.html) - [blackberry.com/btsc/KB35882](http://www.blackberry.com/btsc/KB35882) - [HPSBMU03044](http://marc.info/?l=bugtraq&m=140075368411126&w=2) (marc.info) vendor-advisory - [HPSBMU03030](http://marc.info/?l=bugtraq&m=139905351928096&w=2) (marc.info) vendor-advisory - [1030081](http://www.securitytracker.com/id/1030081) (securitytracker.com) vdb-entry - [FEDORA-2014-4879](http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131221.html) (lists.fedoraproject.org) vendor-advisory - [20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities](http://www.securityfocus.com/archive/1/534161/100/0/threaded) (securityfocus.com) mailing-list - [FEDORA-2014-4910](http://lists.fedoraproject.org/pipermail/package-announce/2014-April/131291.html) (lists.fedoraproject.org) vendor-advisory - [bugzilla.redhat.com/show\_bug.cgi?id=1084875](https://bugzilla.redhat.com/show%5Fbug.cgi?id=1084875) - [FEDORA-2014-9308](http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html) (lists.fedoraproject.org) vendor-advisory - [www-01.ibm.com/support/docview.wss?uid=isg400001841](http://www-01.ibm.com/support/docview.wss?uid=isg400001841) - [HPSBMU03013](http://marc.info/?l=bugtraq&m=139824993005633&w=2) (marc.info) vendor-advisory - [1030079](http://www.securitytracker.com/id/1030079) (securitytracker.com) vdb-entry - [RHSA-2014:0377](http://rhn.redhat.com/errata/RHSA-2014-0377.html) (rhn.redhat.com) vendor-advisory - [HPSBMU02995](http://marc.info/?l=bugtraq&m=139722163017074&w=2) (marc.info) vendor-advisory - [HPSBPI03031](http://marc.info/?l=bugtraq&m=139889295732144&w=2) (marc.info) vendor-advisory - [code.google.com/p/mod-spdy/issues/detail?id=85](https://code.google.com/p/mod-spdy/issues/detail?id=85) - [HPSBMU02999](http://marc.info/?l=bugtraq&m=139765756720506&w=2) (marc.info) vendor-advisory - [HPSBGN03010](http://marc.info/?l=bugtraq&m=139774703817488&w=2) (marc.info) vendor-advisory - [HPSBMU03029](http://marc.info/?l=bugtraq&m=139905202427693&w=2) (marc.info) vendor-advisory - [getchef.com/blog/2014/04/09/chef-server-11-0-12-release](http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/) - [heartbleed.com](http://heartbleed.com/) - [HPSBMU03018](http://marc.info/?l=bugtraq&m=139817782017443&w=2) (marc.info) vendor-advisory - [download.schneider-electric.com/files?p\_Doc\_Ref=SEVD%202014…](http://download.schneider-electric.com/files?p%5FDoc%5FRef=SEVD%202014-119-01) - [HPSBMU03040](http://marc.info/?l=bugtraq&m=140015787404650&w=2) (marc.info) vendor-advisory - [cogentdatahub.com/ReleaseNotes.html](http://cogentdatahub.com/ReleaseNotes.html) - [HPSBMU03025](http://marc.info/?l=bugtraq&m=139869720529462&w=2) (marc.info) vendor-advisory - [HPSBST03016](http://marc.info/?l=bugtraq&m=139842151128341&w=2) (marc.info) vendor-advisory - [HPSBMU03028](http://marc.info/?l=bugtraq&m=139905243827825&w=2) (marc.info) vendor-advisory - [HPSBMU03009](http://marc.info/?l=bugtraq&m=139905458328378&w=2) (marc.info) vendor-advisory - [f-secure.com/en/web/labs\_global/fsc-2014-1](http://www.f-secure.com/en/web/labs%5Fglobal/fsc-2014-1) - [TA14-098A](http://www.us-cert.gov/ncas/alerts/TA14-098A) (us-cert.gov) third-party-advisory - [57347](http://secunia.com/advisories/57347) (secunia.com) third-party-advisory - [\[syslog-ng-announce\] 20140411 syslog-ng Premium Edition 5 LTS (5.0.4a) has been released](https://lists.balabit.hu/pipermail/syslog-ng-announce/2014-April/000184.html) (lists.balabit.hu) mailing-list - [20140411 MRI Rubies may contain statically linked, vulnerable OpenSSL](http://seclists.org/fulldisclosure/2014/Apr/173) (seclists.org) mailing-list - [blog.torproject.org/blog/openssl-bug-cve-2014-0160](https://blog.torproject.org/blog/openssl-bug-cve-2014-0160) - [oracle.com/technetwork/topics/security/cpujul2014-1972956.h…](http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html) - [oracle.com/technetwork/topics/security/opensslheartbleedcve…](http://www.oracle.com/technetwork/topics/security/opensslheartbleedcve-2014-0160-2188454.html) - [support.f5.com/kb/en-us/solutions/public/15000/100/sol15159…](https://support.f5.com/kb/en-us/solutions/public/15000/100/sol15159.html) - [git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=96db90…](http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=96db9023b881d7cd9f379b0c154650d6c108e9a3) - [HPSBST03000](https://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/kb/docDisplay/?spf%5Fp.tpst=kbDocDisplay&spf%5Fp.prp%5FkbDocDisplay=wsrp-navigationalState%3DdocId%253Demr%5Fna-c04260637-4%257CdocLocale%253Den%5FUS%257CcalledBy%253DSearch%5FResult&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken) (h20566.www2.hp.com) vendor-advisory - [20141205 NEW: VMSA-2014-0012 - VMware vSphere product updates address security vulnerabilities](http://seclists.org/fulldisclosure/2014/Dec/23) (seclists.org) mailing-list - [HPSBST03004](http://marc.info/?l=bugtraq&m=139905653828999&w=2) (marc.info) vendor-advisory - [USN-2165-1](http://www.ubuntu.com/usn/USN-2165-1) (ubuntu.com) vendor-advisory - [RHSA-2014:0378](http://rhn.redhat.com/errata/RHSA-2014-0378.html) (rhn.redhat.com) vendor-advisory - [HPSBMU02997](http://marc.info/?l=bugtraq&m=139757919027752&w=2) (marc.info) vendor-advisory - [SUSE-SA:2014:002](http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00005.html) (lists.opensuse.org) vendor-advisory - [32764](http://www.exploit-db.com/exploits/32764) (exploit-db.com) exploit - [HPSBMU02994](http://marc.info/?l=bugtraq&m=139757726426985&w=2) (marc.info) vendor-advisory - [symantec.com/security\_response/securityupdates/detail.jsp?f…](http://www.symantec.com/security%5Fresponse/securityupdates/detail.jsp?fid=security%5Fadvisory&pvid=security%5Fadvisory&year=&suid=20160512%5F00) - [HPSBMU03022](http://marc.info/?l=bugtraq&m=139869891830365&w=2) (marc.info) vendor-advisory - [HPSBST03027](http://marc.info/?l=bugtraq&m=139905868529690&w=2) (marc.info) vendor-advisory - [HPSBMU03019](http://marc.info/?l=bugtraq&m=139817685517037&w=2) (marc.info) vendor-advisory - [HPSBMU03062](http://marc.info/?l=bugtraq&m=140752315422991&w=2) (marc.info) vendor-advisory - [20140408 Re: heartbleed OpenSSL bug CVE-2014-0160](http://seclists.org/fulldisclosure/2014/Apr/91) (seclists.org) mailing-list - [1030078](http://www.securitytracker.com/id/1030078) (securitytracker.com) vdb-entry - [59243](http://secunia.com/advisories/59243) (secunia.com) third-party-advisory - [www-01.ibm.com/support/docview.wss?uid=ssg1S1004661](http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004661) - [HPSBMU03020](http://marc.info/?l=bugtraq&m=139836085512508&w=2) (marc.info) vendor-advisory - [HPSBST03015](http://marc.info/?l=bugtraq&m=139824923705461&w=2) (marc.info) vendor-advisory - [RHSA-2014:0376](http://rhn.redhat.com/errata/RHSA-2014-0376.html) (rhn.redhat.com) vendor-advisory - [HPSBPI03014](http://marc.info/?l=bugtraq&m=139835844111589&w=2) (marc.info) vendor-advisory - [MDVSA-2015:062](http://www.mandriva.com/security/advisories?name=MDVSA-2015:062) (mandriva.com) vendor-advisory - [cert.fi/en/reports/2014/vulnerability788210.html](https://www.cert.fi/en/reports/2014/vulnerability788210.html) - [57721](http://secunia.com/advisories/57721) (secunia.com) third-party-advisory - [57968](http://secunia.com/advisories/57968) (secunia.com) third-party-advisory and 28 more in the [record on cve.org](https://www.cve.org/CVERecord?id=CVE-2014-0160) ## Timeline 1. ID reserved Dec 3, 2013 2. Record published Apr 7, 2014 3. Added to CISA KEV May 4, 2022 4. Record last updated Oct 22, 2025 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:19 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)