CVE-2016-8617

LOWNVD 3.37.0▲Trending — 4 sources updated this week

3.3

The base64 encode function in curl before version 7.51.0 is prone to a buffer being under allocated in 32bit systems if it receives at least 1Gb as input via CURLOPT_USERNAME.

CVSS v3: 3.3
EG Score: 7.0(medium)
EPSS: 24.7%
KEV: Not listed

Published

July 31, 2018

Last Modified

November 21, 2024

References (24)

secalert@redhathttp://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
secalert@redhathttp://www.securityfocus.com/bid/94097
secalert@redhathttp://www.securitytracker.com/id/1037192
secalert@redhathttps://access.redhat.com/errata/RHSA-2018:2486
secalert@redhathttps://access.redhat.com/errata/RHSA-2018:3558
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8617
secalert@redhathttps://curl.haxx.se/CVE-2016-8617.patch
secalert@redhathttps://curl.haxx.se/docs/adv_20161102C.html
secalert@redhathttps://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
secalert@redhathttps://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
secalert@redhathttps://security.gentoo.org/glsa/201701-47
secalert@redhathttps://www.tenable.com/security/tns-2016-21
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/94097
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037192

Patch Availability(3)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libcurl4-openssl-dev (7.35.0-1ubuntu2.10) @ trusty	2026-05-28	ubuntu
redhat	httpd24-nghttp2-0:1.7.1-7.el7	2018-11-13	redhat
redhat	jbcs-httpd24-curl	2018-08-16	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

CWE-787Out-of-bounds Write

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 17× 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.

2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 04:25 UTCEG score recompute
2026-05-28 04:25 UTCVendor advisory
2026-05-28 04:25 UTCGHSA enrichment
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
2026-05-23 18:05 UTCOSV refresh

Frequently asked(5)

What is CVE-2016-8617?

CVE-2016-8617 is a low vulnerability published on July 31, 2018. The base64 encode function in curl before version 7.51.0 is prone to a buffer being under allocated in 32bit systems if it receives at least 1Gb as input via CURLOPT_USERNAME.

When was CVE-2016-8617 disclosed?

CVE-2016-8617 was first published in the National Vulnerability Database on July 31, 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-2016-8617 actively exploited?

CVE-2016-8617 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-8617?

CVE-2016-8617 has a CVSS v3 base score of 3.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.0.

How do I remediate CVE-2016-8617?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-8617, 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.

Dependency Blast Radius

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CVE-2016-8617

Published

Last Modified

References (24)

Patch Availability(3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2016-8617?

Same vendor

Same CWE

CVE-2016-8617

📅 Published

🔄 Last Modified

🔗 References (24)

Patch Availability(3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2016-8617?

🔗 Related CVEs(same vendor + same CWE)

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References (24)

Frequently asked(5)

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