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Vulnerability record · CVE-2013-4353 · published 9 January 2014

CVE-2013-4353: Openssl improper input validation vulnerability

OOpenssl · Openssl

The ssl3_take_mac function in ssl/s3_both.c in OpenSSL 1.0.1 before 1.0.1f allows remote TLS servers to cause a denial of service (NULL pointer dereference and application crash) via a crafted Next Protocol Negotiation record in a TLS handshake.

4.3 CVSS 2.0 Medium EPSS 12% · top 4.0% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
32References
16 Jun 2026Last modified by NVD

Description

The ssl3_take_mac function in ssl/s3_both.c in OpenSSL 1.0.1 before 1.0.1f allows remote TLS servers to cause a denial of service (NULL pointer dereference and application crash) via a crafted Next Protocol Negotiation record in a TLS handshake.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.openssl.org/gitweb/?p=openssl.git%3Ba=blob_plain%3Bf=CHANGES%3Bhb=refs/heads/OpenSSL_1_0_1-stable
http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=197e0ea817ad64820789d86711d55ff50d71f631
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/msg00065.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00067.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00070.html
http://rhn.redhat.com/errata/RHSA-2014-0015.html
http://rhn.redhat.com/errata/RHSA-2014-0041.html
http://www-01.ibm.com/support/docview.wss?uid=isg400001841
http://www-01.ibm.com/support/docview.wss?uid=isg400001843
http://www.debian.org/security/2014/dsa-2837
http://www.openssl.org/news/vulnerabilities.html Vendor Advisory
http://www.splunk.com/view/SP-CAAAMB3
http://www.ubuntu.com/usn/USN-2079-1
https://bugzilla.redhat.com/show_bug.cgi?id=1049058
http://git.openssl.org/gitweb/?p=openssl.git%3Ba=blob_plain%3Bf=CHANGES%3Bhb=refs/heads/OpenSSL_1_0_1-stable
http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=197e0ea817ad64820789d86711d55ff50d71f631
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/msg00065.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00067.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00070.html
http://rhn.redhat.com/errata/RHSA-2014-0015.html
http://rhn.redhat.com/errata/RHSA-2014-0041.html
http://www-01.ibm.com/support/docview.wss?uid=isg400001841
http://www-01.ibm.com/support/docview.wss?uid=isg400001843
http://www.debian.org/security/2014/dsa-2837
http://www.openssl.org/news/vulnerabilities.html Vendor Advisory
http://www.splunk.com/view/SP-CAAAMB3
http://www.ubuntu.com/usn/USN-2079-1
https://bugzilla.redhat.com/show_bug.cgi?id=1049058

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2013-4353), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.