CVE-2016-5766

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

7.49% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 94.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-08-07 10:00Z10 YR AGO

Last updated

2024-08-06 01:15Z2 YR AGO

Reserved

2016-06-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

fe2479ce0c3da3e61cc3bdd3419e8a3fdeab58ef5029274c34069e1e6c56a6a3

• bugs.php.nethttps://bugs.php.net/bug.php?id=72339x_refsource_CONFIRM
• libgd.github.iohttps://libgd.github.io/release-2.2.3.htmlx_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2016:1761http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2016:1922http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.htmlvendor-advisoryx_refsource_SUSE
• rhn.redhat.comRHSA-2016:2750http://rhn.redhat.com/errata/RHSA-2016-2750.htmlvendor-advisoryx_refsource_REDHAT
• rhn.redhat.comRHSA-2016:2598http://rhn.redhat.com/errata/RHSA-2016-2598.htmlvendor-advisoryx_refsource_REDHAT
• php.nethttp://php.net/ChangeLog-5.phpx_refsource_CONFIRM
• github.comhttp://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac?w=1x_refsource_CONFIRM
• www.openwall.com[oss-security] 20160623 Re: CVE for PHP 5.5.37 issueshttp://www.openwall.com/lists/oss-security/2016/06/23/4mailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201612-09https://security.gentoo.org/glsa/201612-09vendor-advisoryx_refsource_GENTOO
• php.nethttp://php.net/ChangeLog-7.phpx_refsource_CONFIRM
• h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731x_refsource_CONFIRM
• www.debian.orgDSA-3619http://www.debian.org/security/2016/dsa-3619vendor-advisoryx_refsource_DEBIAN
• lists.opensuse.orgSUSE-SU-2016:2013http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.htmlvendor-advisoryx_refsource_SUSE
• www.ubuntu.comUSN-3030-1http://www.ubuntu.com/usn/USN-3030-1vendor-advisoryx_refsource_UBUNTU