Which products and versions are affected by CVE-2016-7054?

Affected: OpenSSL versions 1.1.0, 1.1.0a, 1.1.0b, >= openssl-1.1.0; rootio-openssl. The full list is in the CVE brief.

Is CVE-2016-7054 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2016-7054 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2016-7054?

Public exploit code is available.

Is there a fix for CVE-2016-7054?

Fixed versions are available, including OpenSSL 1.1.0c-1, rootio-openssl 1.1.0c-1.

How urgently should CVE-2016-7054 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Request A Demo

WatchlistHigh

CVE-2016-7054OpenSSL Heap Buffer Overflow

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.

Published May 4, 2017 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2016-7054

Key Facts

Patch immediately

CVE-2016-7054 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting OpenSSL, rootio-openssl.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 32% probability of exploitation in the next 30 days.
Fixed versions are available, including OpenSSL 1.1.0c-1, rootio-openssl 1.1.0c-1.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS (30-day exploit likelihood)

32%

Higher than 98.3% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

38/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryhttps://security-tracker.debian.org/tracker/CVE-2016-7054
advisory94238
patchhttps://www.openssl.org/news/secadv/20161110.txt

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.

Affected Products

17 affected entries in total

Product	Affected versions	Fixed in
OpenSSLOpenssl	1.1.0, 1.1.0a, 1.1.0b, >= openssl-1.1.0	1.1.0c-1
rootio-opensslrootio	See advisory	1.1.0c-1

Patched Releases

OpenSSL

1.1.0c-1

rootio-openssl