CVE-2016-8624

21

FAUCET Score

CVE-2016-8624 describes a vulnerability in curl versions prior to 7.51.0 where incorrect parsing of the URL's authority component, specifically when a hostname ends with '#', could lead to connections to an unintended host. This high-severity vulnerability (CVSS 7.5) has a low attack complexity and could result in significant integrity impacts if an application relies on RFC-compliant URL parsing for domain validation before using curl. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 7.51.0CPE matchmatch criteria	cpe:2.3:a:haxx:curl::::::::

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

3.9

Impact Score

1.4

CvssVersion

3.0

Exploit Intelligence

EPSS Score

5.92%

Probability of exploitation in next 30 days

EPSS Percentile

92.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0592 is in the 87th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (25)

jitsipatch availablevia llm_extracted

Fixed in: 7.50.3

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: httpd24-curl-0:7.61.1-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: httpd24-httpd-0:2.4.34-7.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: httpd24-nghttp2-0:1.7.1-7.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: httpd24-curl-0:7.61.1-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: httpd24-httpd-0:2.4.34-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: httpd24-nghttp2-0:1.7.1-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: httpd24-curl-0:7.61.1-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: httpd24-httpd-0:2.4.34-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: httpd24-nghttp2-0:1.7.1-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: httpd24-curl-0:7.61.1-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: httpd24-httpd-0:2.4.34-7.el7

redhatpatch availablevia nvd_reference

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: httpd24-curl-0:7.61.1-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: httpd24-httpd-0:2.4.34-7.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: httpd24-nghttp2-0:1.7.1-7.el7

redhatpatch availablevia redhat_api

Product: Text-Only JBCSFixed in: jbcs-httpd24-curl

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: httpd24-nghttp2-0:1.7.1-7.el7

sierra_wirelesspatch availablevia llm_extracted

Fixed in: 7.50.3

redhatvendor investigatingvia redhat_api

Product: Red Hat JBoss Enterprise Web Server 3Fixed in: curl

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: curl

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 5Fixed in: curl

redhatend of lifevia redhat_api

Product: .NET Core 2.1 on Red Hat Enterprise LinuxFixed in: rh-dotnet21-curl

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Virtualization 3Fixed in: mingw-virt-viewer

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 6Fixed in: curl

Vendor Advisories (3)

redhatCVE-2016-8624Moderate

curl: Invalid URL parsing with '#'

sierra_wirelessllm-sierra_wireless-402c526bc4a6af7fMEDIUM

invalid URL parsing with '#'

jitsillm-jitsi-4f1a177709a56a10MEDIUM

invalid URL parsing with '#'

References

access.redhat.com / errata/RHSA-2018:2486

Third Party Advisory

access.redhat.com / errata/RHSA-2018:3558

bugzilla.redhat.com / show_bug.cgi

Issue TrackingPatchThird Party Advisory

curl.haxx.se / docs/adv_20161102J.html

PatchVendor Advisory

lists.apache.org / thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

lists.apache.org / thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

lists.apache.org / thread.html/rfaa4d578587f52a9c4d176af516a681a712c664e3be440a4163691d5%40%3Ccommits.pulsar.apache.org%3E

security.gentoo.org / glsa/201701-47

Third Party Advisory

tenable.com / security/tns-2016-21

Third Party Advisory

oracle.com / technetwork/security-advisory/cpuoct2018-4428296.html

securityfocus.com / bid/94103

Third Party AdvisoryVDB Entry

securitytracker.com / id/1037192

Third Party AdvisoryVDB Entry