CVE-2016-3718

CVE-2016-3718 is a medium-severity vulnerability in Redhat Enterprise Linux Desktop with a CVSS 3.x base score of 5.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-918.

Key facts

• Severity: Medium (CVSS 3.x base score 5.5)
• CVSS v2: 4.3
• EPSS exploit prediction: 77% (99th percentile)
• Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
• EU (EUVD) id: EUVD-2016-4739
• EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
• Weakness: CWE-918
• Affected product: Redhat Enterprise Linux Desktop
• Published: 2016-05-05
• Last modified: 2026-06-17

Description

The (1) HTTP and (2) FTP coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allow remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted image.

Frequently asked questions

What is CVE-2016-3718?

The (1) HTTP and (2) FTP coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allow remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted image.

How severe is CVE-2016-3718?

CVE-2016-3718 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-3718 being actively exploited?

Yes. CVE-2016-3718 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2016-3718?

CVE-2016-3718 primarily affects Redhat Enterprise Linux Desktop. In total, 84 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-3718?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2016-3718 have an EU (EUVD) identifier?

Yes. CVE-2016-3718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-4739. It is also flagged as exploited in the EUVD (since 2021-11-03).

When was CVE-2016-3718 published?

CVE-2016-3718 was published on 2016-05-05 and last updated on 2026-06-17.

References

• http://git.imagemagick.org/repos/ImageMagick/blob/a01518e08c840577cabd7d3ff291a9ba735f7276/ChangeLog
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00024.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00025.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00028.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00032.html
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00051.html
• http://rhn.redhat.com/errata/RHSA-2016-0726.html
• http://www.debian.org/security/2016/dsa-3580
• http://www.openwall.com/lists/oss-security/2016/05/03/18
• http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• http://www.securityfocus.com/archive/1/538378/100/0/threaded
• http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.440568
• http://www.ubuntu.com/usn/USN-2990-1
• https://lists.debian.org/debian-lts-announce/2018/06/msg00009.html
• https://security.gentoo.org/glsa/201611-21
• https://www.exploit-db.com/exploits/39767/
• https://www.imagemagick.org/discourse-server/viewtopic.php?f=4&t=29588
• https://www.imagemagick.org/script/changelog.php
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3718

Affected products (84)

• cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:6.7:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:7.2:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:6.0_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:7.0_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:6.7_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.2_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.3_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.4_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.5_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.6_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.7_s390x:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:6.0_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:6.7_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.2_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.3_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.4_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.5_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.6_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.7_ppc64:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0_ppc64le:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.2_ppc64le:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.3_ppc64le:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.4_ppc64le:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.5_ppc64le:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.6_ppc64le:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.7_ppc64le:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*

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