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CVE-2016-7054
ChaCha20/Poly1305 heap-buffer-overflow
High7.5EPSS 32.4%
- Published
- Updated
- Reserved
- Assigned by
- openssl
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 32.4% · top 1.7% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- protocol error
- CWE-284 (opens in a new tab)
Affected products
OpenSSL · OpenSSL
- affected openssl-1.1.0
- affected openssl-1.1.0a
- affected openssl-1.1.0b
References (5)
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
- 94238 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.openssl.org/news/secadv/20161110.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- 40899 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 1037261 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .