{"id":"CVE-2016-7054","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-7054","generatedAt":"2026-10-28T21:19:08.799Z","title":"In OpenSSL 1.1.0 before 1.1.0c, TLS connections using *-CHACHA20-POLY1305 ciphersuites are susceptible to a DoS attack by corrupting larger payloads.","description":"In OpenSSL 1.1.0 before 1.1.0c, TLS connections using *-CHACHA20-POLY1305 ciphersuites are susceptible to a DoS attack by corrupting larger payloads. This can result in an OpenSSL crash. This issue is not considered to be exploitable beyond a DoS.","published":"2017-05-04T19:29:00.000Z","lastModified":"2026-06-17T00:52:14.000Z","status":"Modified","sourceIdentifier":"openssl-security@openssl.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-284"],"affected":["openssl/openssl"],"epss":{"score":0.32389,"percentile":0.98322,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.21055,"percentile":0.97516},{"date":"2026-09-22","score":0.32389,"percentile":0.98255}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2016-12-11","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":40899,"kind":"exploit","title":"OpenSSL 1.1.0a/1.1.0b - Denial of Service","url":"https://www.exploit-db.com/exploits/40899","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/40899.py","file":"exploits/linux/dos/40899.py","published":"2016-12-11","added":"2016-12-11","updated":"2016-12-12","author":"Silverfox","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2016-7054"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comopenssl-1.1.0a.tar.gz","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 32.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.32389,"from":0.21055,"percentile":0.98255},"summary":"EPSS moved from 21.1% to 32.4% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/94238","tags":["Third Party Advisory","VDB Entry"],"source":"openssl-security@openssl.org"},{"url":"http://www.securitytracker.com/id/1037261","source":"openssl-security@openssl.org"},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us","source":"openssl-security@openssl.org"},{"url":"https://www.exploit-db.com/exploits/40899/","source":"openssl-security@openssl.org"},{"url":"https://www.openssl.org/news/secadv/20161110.txt","tags":["Patch","Vendor Advisory"],"source":"openssl-security@openssl.org"},{"url":"http://www.securityfocus.com/bid/94238","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1037261","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/40899/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openssl.org/news/secadv/20161110.txt","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-7054","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."}