CVE-2016-7054
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.
Does this matter?
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.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 32.39% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 11 December 2016
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- openssl/openssl
- Source
- openssl-security@openssl.org
EPSS moved from 21.1% on 21 September 2026 to 32.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/94238Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037261
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us
- https://www.exploit-db.com/exploits/40899/
- https://www.openssl.org/news/secadv/20161110.txtPatch, Vendor Advisory
- http://www.securityfocus.com/bid/94238Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037261
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us
- https://www.exploit-db.com/exploits/40899/
- https://www.openssl.org/news/secadv/20161110.txtPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.