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Fencer Intel
high 7.5

CVE-2016-7054 in the critical feed json

ChaCha20/Poly1305 heap-buffer-overflow

published 2017-05-04 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7934

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
32.4%
EPSS 32.4% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • openssl Debian 14, Debian 13, Debian 12 1.1.0c-1

debian advisories DEBIAN-CVE-2016-7054

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-7054 updated cvss 7.5

openssl: Corrupting larger payloads when using ChaCha20/Poly1305 ciphersuites leads to DoS

  • Red Hat Enterprise Linux 5 openssl, openssl097a Red Hat Enterprise Linux 6 openssl, openssl098e, openssl-perl Red Hat Enterprise Linux 7 OVMF, openssl, openssl098e, openssl-libs, openssl-perl Red Hat JBoss Enterprise Application Platform 6 openssl Red Hat JBoss Enterprise Web Server 1 openssl Red Hat JBoss Enterprise Web Server 2 openssl
    +1 more products
    Red Hat JBoss Web Server 3 openssl
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-40899)
  2. Published

Exploit prediction

32.39% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-40899 OpenSSL 1.1.0a/1.1.0b - Denial of Service dos, 2016-12-11

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • OpenSSL OpenSSL

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.