High severity7.5NVD Advisory· Published Sep 16, 2016· Updated May 6, 2026
CVE-2016-2181
CVE-2016-2181
Description
The Anti-Replay feature in the DTLS implementation in OpenSSL before 1.1.0 mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
41- kb.juniper.net/InfoCenter/indexnvdThird Party Advisory
- www-01.ibm.com/support/docview.wssnvdThird Party Advisory
- www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.htmlnvdThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlnvdThird Party Advisory
- www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlnvdThird Party Advisory
- www.securityfocus.com/bid/92982nvdThird Party AdvisoryVDB Entry
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- www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-ennvd
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- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlnvd
- www.securitytracker.com/id/1036690nvd
- www.ubuntu.com/usn/USN-3087-1nvd
- www.ubuntu.com/usn/USN-3087-2nvd
- cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfnvd
- git.openssl.orgnvd
- kc.mcafee.com/corporate/indexnvd
- security.freebsd.org/advisories/FreeBSD-SA-16:26.openssl.ascnvd
- support.f5.com/csp/article/K59298921nvd
- www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24nvd
- www.tenable.com/security/tns-2016-20nvd
- www.tenable.com/security/tns-2016-21nvd
News mentions
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