ChaCha20/Poly1305 heap-buffer-overflow
Published May 4, 2017
7.5
HIGHCVSS 3.0
EPSS 32.39%
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
-
- Version openssl-1.1.0StatusaffectedConstraints-
- Version openssl-1.1.0aStatusaffectedConstraints-
- Version openssl-1.1.0bStatusaffectedConstraints-
- Version
No data.
Red Hat Enterprise Linux 5
openssl
Not affected
Red Hat Enterprise Linux 5
openssl097a
Not affected
Red Hat Enterprise Linux 6
openssl
Not affected
Red Hat Enterprise Linux 6
openssl098e
Not affected
Red Hat Enterprise Linux 7
OVMF
Not affected
Red Hat Enterprise Linux 7
openssl
Not affected
Red Hat Enterprise Linux 7
openssl098e
Not affected
Red Hat JBoss Enterprise Application Platform 6
openssl
Not affected
Red Hat JBoss Enterprise Web Server 1
openssl
Not affected
Red Hat JBoss Enterprise Web Server 2
openssl
Not affected
Red Hat JBoss Web Server 3
openssl
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | openssl | Not affected | n/a |
| Red Hat Enterprise Linux 5 | openssl097a | Not affected | n/a |
| Red Hat Enterprise Linux 6 | openssl | Not affected | n/a |
| Red Hat Enterprise Linux 6 | openssl098e | Not affected | n/a |
| Red Hat Enterprise Linux 7 | OVMF | Not affected | n/a |
| Red Hat Enterprise Linux 7 | openssl | Not affected | n/a |
| Red Hat Enterprise Linux 7 | openssl098e | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 6 | openssl | Not affected | n/a |
| Red Hat JBoss Enterprise Web Server 1 | openssl | Not affected | n/a |
| Red Hat JBoss Enterprise Web Server 2 | openssl | Not affected | n/a |
| Red Hat JBoss Web Server 3 | openssl | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 32.39% (0.32389) | 98.28th | v5 (v2026.06.15) |
| Sep 22, 2026 | 32.39% (0.32389) | 98.26th | v5 (v2026.06.15) |
| Sep 21, 2026 | 21.05% (0.21055) | 97.52th | v5 (v2026.06.15) |
| Sep 6, 2026 | 32.39% (0.32389) | 98.22th | v5 (v2026.06.15) |
| Sep 5, 2026 | 21.05% (0.21055) | 97.46th | v5 (v2026.06.15) |
| Aug 30, 2026 | 32.39% (0.32389) | 98.20th | v5 (v2026.06.15) |
| Aug 28, 2026 | 21.05% (0.21055) | 97.45th | v5 (v2026.06.15) |
| Aug 24, 2026 | 32.39% (0.32389) | 98.19th | v5 (v2026.06.15) |
| Aug 23, 2026 | 21.05% (0.21055) | 97.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 31.86% (0.31857) | 98.07th | v5 (v2026.06.15) |
| May 4, 2026 | 24.76% (0.24759) | 96.17th | v4 (v2025.03.14) |
| Mar 22, 2026 | 20.94% (0.20939) | 95.57th | v4 (v2025.03.14) |
| Feb 27, 2026 | 14.94% (0.14937) | 94.41th | v4 (v2025.03.14) |
| Aug 22, 2025 | 16.50% (0.16505) | 94.63th | v4 (v2025.03.14) |
| Apr 15, 2025 | 25.48% (0.25482) | 95.84th | v4 (v2025.03.14) |
| Mar 30, 2025 | 20.43% (0.20434) | 95.07th | v4 (v2025.03.14) |
| Mar 29, 2025 | 42.30% (0.42300) | 96.20th | v4 (v2025.03.14) |
| Mar 17, 2025 | 20.43% (0.20434) | 95.08th | v4 (v2025.03.14) |
| Dec 17, 2024 | 81.74% (0.81741) | 98.60th | v3 (v2023.03.01) |
| May 25, 2024 | 88.89% (0.88885) | 98.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 89.86% (0.89863) | 98.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.94% (0.08944) | 94.01th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.94% (0.08944) | 93.48th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.94% (0.08944) | 83.03th | v2 (v2022.01.01) |
References (9)
- http://www.securityfocus.com/bid/94238 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037261 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-7054 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1393920 Issue Tracking
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-7054
- https://www.cve.org/CVERecord?id=CVE-2016-7054
- https://www.exploit-db.com/exploits/40899/ exploitx_refsource_EXPLOIT-DB
- https://www.openssl.org/news/secadv/20161110.txt x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94238 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037261 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2016-7054 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1393920 | Issue Tracking | |
| https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03744en_us | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-7054 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-7054 | ||
| https://www.exploit-db.com/exploits/40899/ | exploitx_refsource_EXPLOIT-DB | |
| https://www.openssl.org/news/secadv/20161110.txt | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.