{"id":"CVE-2013-4353","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-4353","generatedAt":"2026-11-05T07:17:13.185Z","title":"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.","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.","published":"2014-01-09T01:55:03.000Z","lastModified":"2026-06-16T23:57:05.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-20"],"affected":["openssl/openssl"],"epss":{"score":0.11851,"percentile":0.96107,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://git.openssl.org/gitweb/?p=openssl.git%3Ba=blob_plain%3Bf=CHANGES%3Bhb=refs/heads/OpenSSL_1_0_1-stable","source":"secalert@redhat.com"},{"url":"http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=197e0ea817ad64820789d86711d55ff50d71f631","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00065.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00067.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00070.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0015.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0041.html","source":"secalert@redhat.com"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg400001841","source":"secalert@redhat.com"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg400001843","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2014/dsa-2837","source":"secalert@redhat.com"},{"url":"http://www.openssl.org/news/vulnerabilities.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.splunk.com/view/SP-CAAAMB3","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-2079-1","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1049058","source":"secalert@redhat.com"},{"url":"http://git.openssl.org/gitweb/?p=openssl.git%3Ba=blob_plain%3Bf=CHANGES%3Bhb=refs/heads/OpenSSL_1_0_1-stable","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=197e0ea817ad64820789d86711d55ff50d71f631","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00065.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00067.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00070.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0015.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0041.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg400001841","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg400001843","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2014/dsa-2837","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openssl.org/news/vulnerabilities.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.splunk.com/view/SP-CAAAMB3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2079-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1049058","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-4353","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}