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Vulnerability record · CVE-2016-6489 · published 14 April 2017

CVE-2016-6489: Redhat enterprise linux desktop observable discrepancy vulnerability

Redhat · Enterprise Linux Desktop

The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.

7.5 CVSS 3.1 High EPSS 5.0% · top 8.0% CWE-203 · Observable discrepancy
7.5CVSS 3.1 base score, v2 5.0
5.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2016-2582.html Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2016/07/29/7 Mailing ListPatchThird Party Advisory
http://www.ubuntu.com/usn/USN-3193-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1362016 Issue TrackingThird Party AdvisoryVDB Entry
https://eprint.iacr.org/2016/596.pdf Technical Description
https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3 PatchThird Party Advisory
https://security.gentoo.org/glsa/201706-21 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2582.html Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2016/07/29/7 Mailing ListPatchThird Party Advisory
http://www.ubuntu.com/usn/USN-3193-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1362016 Issue TrackingThird Party AdvisoryVDB Entry
https://eprint.iacr.org/2016/596.pdf Technical Description
https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3 PatchThird Party Advisory
https://security.gentoo.org/glsa/201706-21 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-6489), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.