nettle: RSA/DSA code is vulnerable to cache-timing related attacks
Published Apr 14, 2017
7.5
HIGHCVSS 3.1
EPSS 5.01%
Description
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
Affected products
No data.
Configuration 1
- 7.0
- 7.0
- 7.0
- 7.0
Configuration 2
- 12.04
- 14.04
- 16.04
- 16.10
Configuration 3
- < 3.3
No data.
Red Hat Enterprise Linux 7
nettle-0:2.7.1-8.el7
Fixed · RHSA-2016:2582
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | nettle-0:2.7.1-8.el7 | Fixed | RHSA-2016:2582 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.01% (0.05007) | 91.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.05% (0.05048) | 91.17th | v5 (v2026.06.15) |
| May 13, 2026 | 3.42% (0.03417) | 87.56th | v4 (v2025.03.14) |
| Jul 1, 2025 | 2.10% (0.02102) | 83.34th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.42% (0.03417) | 86.33th | v4 (v2025.03.14) |
| Mar 29, 2025 | 19.84% (0.19843) | 92.58th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.42% (0.03417) | 86.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00365) | 73.27th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00365) | 71.61th | v3 (v2023.03.01) |
| Jul 19, 2023 | 0.36% (0.00365) | 68.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00517) | 73.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
References (11)
- http://rhn.redhat.com/errata/RHSA-2016-2582.html vendor-advisoryx_refsource_REDHATThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2016/07/29/7 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.ubuntu.com/usn/USN-3193-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-6489 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1362016 x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
- https://eprint.iacr.org/2016/596.pdf x_refsource_MISCTechnical Description
- https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-6489
- https://security.gentoo.org/glsa/201706-21 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-6489
- https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISCThird Party Advisory
Change history (0)
No recorded changes yet.