CVE-2016-9594

MEDIUMNVD 6.5

6.5

curl before version 7.52.1 is vulnerable to an uninitialized random in libcurl's internal function that returns a good 32bit random value. Having a weak or virtually non-existent random value makes the operations that use it vulnerable.

CVSS v3: 6.5
EG Score: —
EPSS: 72.1%
KEV: Not listed

Published

April 23, 2018

Last Modified

November 21, 2024

References (12)

secalert@redhathttp://www.securityfocus.com/bid/95094
secalert@redhathttp://www.securitytracker.com/id/1037528
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9594
secalert@redhathttps://curl.haxx.se/docs/adv_20161223.html
secalert@redhathttps://security.gentoo.org/glsa/201701-47
secalert@redhathttps://www.tenable.com/security/tns-2017-04
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/95094
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037528
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9594
af854a3a-2127-422b-91ae-364da2661108https://curl.haxx.se/docs/adv_20161223.html
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201701-47
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2017-04

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-665

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:44 UTCepss_batch
2026-05-24 08:21 UTCOSV refresh

Frequently asked(5)

What is CVE-2016-9594?

CVE-2016-9594 is a medium vulnerability published on April 23, 2018. curl before version 7.52.1 is vulnerable to an uninitialized random in libcurl's internal function that returns a good 32bit random value. Having a weak or virtually non-existent random value makes the operations that use it vulnerable.

When was CVE-2016-9594 disclosed?

CVE-2016-9594 was first published in the National Vulnerability Database on April 23, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-9594 actively exploited?

CVE-2016-9594 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 72.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-9594?

CVE-2016-9594 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2016-9594?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-9594, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2016-9594

📅 Published

🔄 Last Modified

🔗 References (12)