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CVE-2016-2179
The DTLS implementation in OpenSSL before 1.1.0 does not properly restrict the lifetime of queue entries associated with unused…
High7.5EPSS 26.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The DTLS implementation in OpenSSL before 1.1.0 does not properly restrict the lifetime of queue entries associated with unused out-of-order messages, which allows remote attackers to cause a denial of service (memory consumption) by maintaining many crafted DTLS sessions simultaneously, related to d1_lib.c, statem_dtls.c, statem_lib.c, and statem_srvr.c.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 26.6% · top 2.0% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (23)
- https://www.tenable.com/security/tns-2016-20 (opens in a new tab)x_transferred
- http://www.splunk.com/view/SP-CAAAPUE (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html (opens in a new tab)x_transferred
- RHSA-2016:1940 (opens in a new tab)vendor-advisoryx_transferred
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html (opens in a new tab)x_transferred
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312 (opens in a new tab)x_transferred
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us (opens in a new tab)x_transferred
- http://www.splunk.com/view/SP-CAAAPSV (opens in a new tab)x_transferred
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039 (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html (opens in a new tab)x_transferred
- https://www.tenable.com/security/tns-2016-16 (opens in a new tab)x_transferred
- https://www.tenable.com/security/tns-2016-21 (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html (opens in a new tab)x_transferred
- 1036689 (opens in a new tab)vdb-entryx_transferred
- 92987 (opens in a new tab)vdb-entryx_transferred
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html (opens in a new tab)x_transferred
- https://bto.bluecoat.com/security-advisory/sa132 (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html (opens in a new tab)x_transferred
- FreeBSD-SA-16:26 (opens in a new tab)vendor-advisoryx_transferred
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=f5c7f5dfbaf0d2f7d946d0fe86f08e6bcb36ed0d (opens in a new tab)x_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .