Medium 5.8Published Jan 1, 2014

CVE-2013-6450The DTLS retransmission implementation in OpenSSL 1.0.0 before 1.0.0l and 1.0.1 before 1.0.1f does not properly maintain data structures for digest and encryption contexts, which might allow man-in-t…

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

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The DTLS retransmission implementation in OpenSSL 1.0.0 before 1.0.0l and 1.0.1 before 1.0.1f does not properly maintain data structures for digest and encryption contexts, which might allow man-in-the-middle attackers to trigger the use of a different context and cause a denial of service (application crash) by interfering with packet delivery, related to ssl/d1_both.c and ssl/t1_enc.c.

CVSS: 5.8 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:N/I:P/A:P
Weakness (CWE): CWE-310
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	1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0a; 1.0.0b; and 17 more ranges	NVD

References

References

http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=34628967f1e65dc8f34e000f0f5518e21afbfc7b
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00031.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00032.html
http://rhn.redhat.com/errata/RHSA-2014-0015.html
http://seclists.org/fulldisclosure/2014/Dec/23
http://security.gentoo.org/glsa/glsa-201412-39.xml
http://www-01.ibm.com/support/docview.wss?uid=isg400001841
http://www-01.ibm.com/support/docview.wss?uid=isg400001843
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