{"id":"CVE-2016-7054","aliases":["DEBIAN-CVE-2016-7054","EUVD-2016-7934","GHSA-3rqr-v2gc-jxp4"],"status":"published","title":"ChaCha20/Poly1305 heap-buffer-overflow","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.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.32389,"percentile":0.9834,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-284"],"published":"2017-05-04T19:00:00Z","modified":"2026-10-24T10:30:50Z","exploits":[{"source":"exploitdb","id":"EDB-40899","title":"OpenSSL 1.1.0a/1.1.0b - Denial of Service","type":"dos","platform":"linux","date":"2016-12-11","url":"https://www.exploit-db.com/exploits/40899"}],"fixes":[{"ecosystem":"Debian:12","package":"openssl","fixed_in":["1.1.0c-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openssl","fixed_in":["1.1.0c-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openssl","fixed_in":["1.1.0c-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0c-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0c-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0c-1"}]}]}],"products":[{"vendor":"openssl","product":"openssl"}],"references":[{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03744en_us","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/94238","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://www.openssl.org/news/secadv/20161110.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://www.exploit-db.com/exploits/40899/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"http://www.securitytracker.com/id/1037261","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7054"},{"url":"https://www.exploit-db.com/exploits/40899"},{"url":"https://github.com/advisories/GHSA-3rqr-v2gc-jxp4"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-7054","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2016-7054","title":"ChaCha20/Poly1305 heap-buffer-overflow","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.","status":"published","published":"2017-05-04T19:00:00Z","modified":"2024-09-17T00:30:27.92Z","updated_at":"2026-11-02T14:33:36.483151Z"}],"euvd":[{"id":"EUVD-2016-7934","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.","status":"published","published":"2017-05-04T19:00:00Z","modified":"2024-09-17T00:30:27Z","updated_at":"2026-11-03T00:28:58.853192Z"}],"ghsa":[{"id":"GHSA-3rqr-v2gc-jxp4","title":"In OpenSSL 1.1.0 before 1.1.0c, TLS connections using *-CHACHA20-POLY1305 ciphersuites are...","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.","status":"published","published":"2022-05-17T01:17:43Z","modified":"2025-04-20T03:38:17Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:01:45.743786Z"}],"nvd":[{"id":"CVE-2016-7054","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.","status":"published","published":"2017-05-04T19:29:00.257Z","modified":"2026-06-17T00:52:13.763Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:03:37.619685Z"}],"osv":[{"id":"CVE-2016-7054","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.","status":"published","published":"2017-05-04T19:29:00.257Z","modified":"2026-10-24T10:30:50.932148198Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.776224Z"},{"id":"DEBIAN-CVE-2016-7054","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.","status":"published","published":"2017-05-04T19:29:00.257Z","modified":"2026-09-22T07:00:50.875618603Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.910042Z"}]}}